ECAT Chemistry Carboxylic Acid Chapter Test Online

Page 1 of 10

1. Between CH₃COOH and HCOOH, HCOOH will be

None of these

Equally acidic

Less acidic

More acidic

2. The alanine is ____________ in nature

Basic

Neutral

Weakly acidic

Acidic

3. Which of the following compound is obtained on passing ethanol vapours on heated Al₂O₃?

Ethanol

Acetone

Ethylether

Ethane

4. Which reaction yields Bakelite?

Ethylene glycol and Dimethylterephethalate

Urea with HCHO

Phenol and HCHO

Tetra methyl glycol with Hex methylene diisocyanate

5. The reaction of an alkyl halide with RCOOAg produces

Ester

Ether

Ketone

Aldehyde

6. Reductive ozonolysis of benzene produces

Maleic anhydride

Phthalic acid

Glyoxal

Acetone

7. Lactic acid on heating with dil. H₂SO₄ gives

Propionic acid

Formic acid

Acrylic acid

Acetic acid

8. Which one is non – reducing sugar?

Sucrose

Fructose

Galactose

Glucose

9. Alkylhalides are considered to be very reactive compounds towards nucleophiles, because

They have an electrophilic carbon

They have a neuclophilic carbon and good leaving group

They have a neucleophilic carbon and bad leaving group

They have an electrophilic carbon and good leaving group

10. Propanone is the product obtained by dehydrogenation of

Propanethoil

2-Propanol

Isobutyl alcohol

1-Propanol

11. When an organic compound “X” was treated with PCI₅, fumes of HCI were evolved. When “X” was warmed with acidified aqueous K₂Cr₂O₇, the solution turned green. Which of the following was “X”.

CH₃COCH₃

CH₃CH(OH) CH₃

CH₃CH₂CHO

CH₃CH₂COOH

12. Which of the following statement true about formic acid?

It is an oxidizing agent

It is weaker than acetic acid

It is a reducing agent

On heating its calcium salt it is converted into ketone

13. A compound of the formula C₄H₁₀O reacts with sodium and undergoes oxidation to give a carbonyl compound which does not reduce Tollen’s reagent, the original compound is

Sec-Butyl alcohol

n-Butyl alcohol

Isobutyl alcohol

Diethyl ether

14. Alkyl halides are considered to be very reactive compounds towards nucleophiles because

They have an electrophilic carbon

They have an electrophilic carbon and had leaving group

They have an alectrophilic carbon and leaving group

None of the above

15. The carbon atom of a carbonyl group is

Sp³ – hybridized

Unhybridized

Sp² – hybridized

Sp – hybridized

16. Wolf-Kishner reduction is used for the reduction of:

Carboxylic acids

Olefins

Carbonyl compounds

Nitro compounds

17. The order of reactivity of alcohols when C – O bond is broken is

1: > 2: > 3:

2: > 1: > 3:

No specific order

3: > 2: > 1:

18. The reactivity of alkyl halides depend upon

Bond strength

Bond type

Bond polarity

Both a and b

19. Which of the following is the strongest acid?

CH₃COOH

CF₃COOH

CCl₃COOH

CBr₃COOH

20. Which of the following is incorrect?

Tollen’s reagent is used in detection of unsaturation

FeCl₃ is used in the detection of phenols

Fehling solution is used in the detection of glucose

NaHSO₃ is used in the detection of carbonyl compounds

21. Ethyl alcohol gives ethyl chloride with the help of

KCl

NaCl

SOCl₂

Cl₂

22. When carboxylic acid is reacted with soda lime and alkali, it produces carbon dioxide and simple hydrocarbon. Which of the following is that?

None of these

Alkynes

Alkanes

Alkenes

23. Which is the general formula for aldehydes?

D

C

B

A

24. Alkyl halides react with Mg in dry ether to form

Grignard’s reagent

Alkene

Alkyne

Magnesium halide

25. Isozymes are the enzymes which

Have same physical and chemical properties

Have similar physical properties

Have different physical and chemical properties

Have similar chemical properties

Page 2 of 10

26. The compound having general formula RCHOR is called

Hemiacetals

Aldols

Diesters

Acetals

27. Vinegar made form cane sugar, now a days synthetically contains

Acetic acid

Citric acid

Lactic acid

Palmitic acid

28. Which halide among the following is used as methylating agent?

CH₃I

C₆H₅CI

C₂H₅CI

C₂H₅Br

29. What is IUPAC name of the following

3-Chloro, 2-butene

2-chloro, 1-butene

3-chloro, 1-butene

2-Chloro, 3-butene

30. Tetrabromoethane one treatment with alcoholic gives

Ethene

Ethyne

Ethane

Ethylbromide

31. During dehydration of alcohols to alkenes by heating with conc. H₂SO₄, the initial step is

Formation of an ester

Elimination of water

Formation of carbocation

Protonation of alcohol molecule

32. Which acid is used in the manufacture of synthetic fiber?

Oxalic acid

Carbonic acid

Formic acid

Acetic acid

33. Which one of the following is no use of acetic acid?

Coagulant for rubber latex

Local irritant

Formation of rayon and silk

Formation of alcohol

34. Reaction of acids with alcohols is also known as

Saponification

None

Esterification

Alkalization

35. The % age of acetic acid in vinegar is about

6 – 10%

30%

20%

20 – 50%

36. Which of the following is the most suitable method for removing the traces of water from ethanol?

Distilling it

Reacting with Na metal

Passing dry HCl through it

Reacting with Mg

37. When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is:

Formic acid

Oxalic acid

Glyoxal

Ethanol

38. Benzene reacts with chlorine to form benzene hexachloride in presence of

Zinc

AlCl₃

Bright sunlight

Nickel

39. Phenol gives _______ Colour with neutral FeCl₃ solution

Green

Blue

Violet

Red

40. When alcohol reacts with concentrate H₂SO₄ intermediate compound formed is

Alkoxy ion

Carbonium ion

Alkyl hydrogen sulphate

None of these

41. An organic compound ‘A’ has the molecular formula C₃H₆O, it undergoes iodoform test. When saturated with HCl it gives ‘B’ of molecular formula C₉H₁₄O. A and B, respectively are

Propanone and mesityl oxide

Propanone and mesitylene oxide

Propanal and mesitylene

Propanone and 2, 6-dimethyl-2,5-heptadien-4-one.

42. Which of the following is correct?

Reaction of vegetable oil with H₂SO₄ gives glycerine

Reduction of any aldehyde gives secondary alcohol

Alcoholic iodine with NaOH gives iodoform

Sucrose on reaction with NaCl gives invert sugar

43. Acetic acid exists as dimmer in benzene due to

Presence of hydrogen at alpha – carbon

Presence of carboxylic group

H – bonding

Condensation

44. Which of the following compound is known as oil of winter green?

Phenyl acetate

Methyl salicylate

Phenyl benzoate

Phenyl salicylate

45. Glacial acetic acid is

Acetic acid mixed with methanol

Pure acetic acid at 100°C

Pure acetic acid above 16.6°C

Pure acetic acid at 0°C

46. For which of the following tertiary butyl alcohol is obtained by the action of methyl magnesium iodide?

CO₂

CH₃COCH₃

CH₃CHO

HCHO

47. Rosenmund’s reduction of an acyl chloride gives

An ester

A hydrocarbon

An aldehydes

An alcohol

48. Amides on treatment with Br₂ and KOH are converted into amines, the reaction is known as

Hoffmann’s bromamide reaction

Gabriel phthalimide reaction

Hoffmann’s methylation

H.V.Z. reaction

49. 1-Chlorobutane on reaction with alcoholic potash gives

Butan-2-ol

But-1-ene

But-2-ene

Butan-1-ol

50. Hydrogenation of benzoyl chloride in presence of Pd on BaSO₄ gives

Benzyl alcohol

Benzaldehyde

Phenol

Benzoic acid

Page 3 of 10

51. Ethyl acetate, an ester when allowed to react with water in acidic media, it produces acetic acid and ethyl alcohol. This process is called

Solvoysis

Hydrolysis

Hydration

Salvation

52. Picric acid is

2, 4, 6-Trinitrotoluene

2, 4, 6-Trinitrophenol

Para-Nitrophenol

2, 4, 6-Tribromoethanol

53. What is main reason for the fact that carboxylic acids can undergo ionization?

Absence of α – hydrogen

High reactivity of α – hydrogen

Resonance stabilization of the carboxylate ion

H – bonding

54. Esters are pleasant smelling compounds. Which one of the following esters possesses odour like pineapple?

Amylbutyrate

Benzyl acetate

Amylacetaete

Ethylbutyrate

55. Sponification is the hydrolysis of fats or oils with an/a

Enzyme

Alkali

Acid

Metallic ion

56. Which of the following will not give iodoform test?

Ethanol

Ethanal

Benzyl alcohol

Isopropyl alcohol

57. Which of the following organic compounds exhibits positive Fehling test as well as Iodoform test?

Ethanol

Propanone

Methanal

Ethanal

58. Which of the following compounds gives a ketone with Grignard’s reagent?

Methyl iodide

Ethanenitrile

Formaldehyde

Ethyl alcolhol

59. An artificial smell of banana is produced in many articles by using esters. Which of the following is that?

Octyl acetate

Amyl acetate

Isoaml valerate

Methyl butyrate

60. Carbon atom holding halogen in aryl halides is

sp³-hybrideshed

Sp³d-hybrideshed

sp²-hybridesed

sp-hybrideshed

61. Aldol condensation will not be observed in

Phenyl acetaldehyde

Chloral

Ethanal

Hexanal

62. A molecule oligosaccharide on hydrolysis produces __________ molecules of monosaccharide.

1

2

4

6

63. The order of reactivity of halogen acids for reaction with C₂H₅OH is

HBr > HI > HCl

HBr > HCl > HI

HI > HBr > HCl

HCl > HBr > HI

64. Of the following reactions, formic and acetic differ in which respect?

Blue litmus reaction

Formation of ester with alcohol

Reduction of feeling solution

Replacement of hydrogen by sodium

65. An aqueous solution of an organic compound reacts with sodium carbonate to produce carbon dioxide gas. Which one of the following could be organic compound?

CH₃ – CH₂ – COOH

CH₃ – CHO

CH₃COOC₂H₅

CH₂ = CH – CH₃

66. Sulphonation of benzoic acid produces mainly

o-Sulphobenzoic acid

o-and p-sulphobenzoic acid

p-sulphobenzoic acid

m-sulphobenzoic acid

67. Which one is non- reducing sugar?

Sucrose

Glucose

Galactose

Fructose

68. Acidic hydrolysis of acetamide gives

Acetic acid

Methyl amine

Formic acid

Acetaldehyde

69. When chloroform is boiled with NaOH, it gives?

Trihydroxymethane

Acetylene

Sodium formate

Formic acid

70. To get DDT, chlorobenzene has to react with one of the following compound in the presence of conc. H₂SO₄

Trichloroethane

Dichloroacetaldehyde

Dichloroacetone

Trichloroacetealdehyde

71. Two moles of acetic acid are heated with P₂O₅ the product formed is

2 moles of ethyl alcohol

Formic anhydride

2 moles of methyl cyanide

Acetic anhydride

72. Which of the following reagents is used to distinguish acetone and acetophenone?

Na₂SO₄

NH₄Cl

NaHSO₃

Grignard reagent

73. Which will not give acetamide on reaction with ammonia?

Acetyl chloride

Acetic acid

Methyl propionate

Acetic anhydride

74. Alkaline hydrolysis of urea with dil. NaOH gives

Nitrogen and sodium carbonate

Ammonia and cyanuric acid

Biuret and ammonia

Ammonia and sodium carbonate

75. Lower carboxylic acids are soluble in water due to

Dissociation into ions

Hydrogen bonding

Low molecular weight

Easy hydrolysis

Page 4 of 10

76. Which one of the following liberates CO₂ from an aqueous solution of NaHCO₃?

Acetyl Chloride

Acetic acid

Phenol

Methyl alcohol

77. Hydrolysis of trichloromethane with aqueous KOH gives

Acetylene

Chloral

Potassium formate

Methanol

78. Which one of the following is mainly responsible for depletion of ozone layer?

Water

Chlorofluorocarbons

Carbon dioxide

Methane

79. Bakelite is a polymer of

Hydroxy benzyl alcohol

Phenol

Benzyl alcohol

Formaldehyde

80. Which of the following is not fatty acids?

Acetic acid

Phathalic acid

Propanoic acid

Butanoic acid

81. Grignard reagent is not prepared in aqueous medium but prepared in ether medium because

The reagent is highly reactive in ether

The reagent becomes inactive in water

The reagent reacts with water

The reagent does not react with water

82. Acetal is produced by reacting alcohol in the presence of dry HCl with

Ketone

Carboxylic acid

Acetaldehyde

Ether

83. Which type of alcohol among the following are resistant to oxidation?

Primary

Secondary

Tertiary

All above

84. Esterification belongs the reactions of a carboxylic acids in which

Hydrogen atom of carboxyl group in involved

– OH group is replaced by another group

H atom and – OH group are involved

– COOH group is involved as whole

85. Clemensen’s reduction of ketones is carried out in

H₂ with Pd catalyst

LiAlH₄ in water

Zn-Hg with conc. HCl

Glycol with KOH

86. Which one of the following will have the maximum dipole moment?

CH₃Cl

CH₃Br

CH₃I

CH₃F

87. When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is

Acetaldehyde

Formic acid

Oxalic acid

Glyoxal

88. Allyl chloride on dehydrochlorination gives

Propylene

Acetone

Allyl alcohol

Propadiene

89. Aspirin is

Benzoic acid

Acetyl salicylic acid

Phenyl salicylic acid

Salicylic acid

90. Which compound has the maximum repulsion with H₂O?

CH₃CH₂OH

C₂H₅OH

C₆H₆

CH₃-O-CH₃

91. When acetamide reacts with Br₂ and caustic soda, then we get

Acetic acid

Ethylamine

Bromoacetic acid

Methyl amine

92. A compound is soluble in conc. H₂SO₄, it does not decolourise bromine in carbon tetrachloride but is oxidized by chromic anhydride in aqueous sulphuric acid within two seconds, turning orange solution to blue, green and then opaque. The original compound is

Primary alcohol

Alkene

Ether

Tertiary alcohol

93. A set of compounds in which reactivity of halogen atom in the ascending order is

Chlorobenzene, vinyl chloride, chloroethane

Vinyl chloride, chlorobenzene, Chloroethane

Chloroethane, chlorobenzene, vinyl chloride

Vinyl chloride, Chloroethane, Chlorobenzene

94. Given below are some statements concerning formic acid, which of them is true?

It is a weaker acid than acetic acid

It is an oxidizing agent

It is a reducing agent

When its calcium salt is heated, it forms a ketone

95. 1-Phenylethanol can be prepared by reaction of benzaldehyde with

C₂H₅I and Mg

Methyl iodide and Magnesium

Methyl bromide and AlBr₃

Methyl bromide

96. Which one of the following are unsaturated carboxylic acids?

Oxalic acid

Acetic acid

Succinic acid

Maleic acid

97. Saponification of ethyl benzoate with caustic soda

Benzyl alcohol, ethanoic acid

Phenol, ethanoic acid

Sodium benzoate, ethanol

Benzoic acid, sodium ethoxide

98. Which one of the following acid on hydrolysis will not produce a carboxylic acid?

Alkyl halide

Alkyl Nitrile

Addition product of Grignard reagent and CO₂

Ester boiled with sodium hydroxide CH₃ – Cl – HOH → CH₃OH + HCl

99. Which one of the following contains carboxylic group?

Picric acid

Glutamic acid

Carbolic acid

All above

100. In esterification, H₂SO₄ can

Remove H₂O

As a dehydrating agent

All the above

Increase the rate of reaction

Page 5 of 10

101. From the following values of dissociation constants of four acids which value represents the strongest acid?

2 x 10¯²

2 x 10¯⁴

3 x 10¯⁴

0.02 x 10¯¹

102. Which of the following order is incorrect w.r.t. property indicated?

Formic acid > Acetic acid > Propionic acid (ACID STRENGTH)

Benzamide < Aniline < Cyclohexylamine (ACID STRENGTH)

FCH₂COOH > ClCH₂COOH > BrCH₂COOH (ACID STRENGTH)

Cyclohexanol < Phenol < Benzoic acid (ACID STRENGTH)

103. Chromyl chloride and toluene react to produce

p-chlorotoluene

Benzaldehyde

Benzyl chloride

Benzoic acid

104. A colourless liquid, at room temperature reacts with soda lime to form sodium salt of carboxylic acid and ammonia gas. The liquids is

Propanoic acid

Methyl Ethanoate

Propanamide

Formamide

105. The addition of HCN to carbonyl compounds is an example of

Nueleophilic addition

Electrophilic addition

Nucleopihlic substitution

Electrophilic substitution

106. Acetamide is prepared by

Heating ammonium acetate

Heating ethyl acetate

The hydrolysis of methyl cyanide

Heating methyl acetate

107. Reduction of aldehydes with HI and P give

Secondary alcohols

Alkanes

Primary alcohols

Tertiary alcohols

108. Which one of the following reaction it not given by the formaldehyde?

Phenol complexes

Iodoform reaction

Recuction of Tollen’s reaction

Reaction of Fehling solution

109. Ethyl acetate is obtained when methyl magnesium iodide reacts with

Ethyl formate

Carbon dioxide

Ethyl choroformate

Acetyl chloride

110. SN1 reaction of alkylhalides leads to

Retention of configuration

None of these

Recemisation

Inversion of configuration

111. Monocarboxylic acids exist as dimmer because if

Van der Waal’s forces

Cohesive forces

Dipole – dipole attraction

Hydrogen bonding

112. Calcium acetate when dry distilled gives

Acetone

Acetaldehyde

Formaldehyde

Acetic anhydride

113. Grignard’s reagent is reactive due to

The polarity of C-Mg bond

None of these

The presence of Mg atom

The pressure of halogen atom

114. Weakest acid among the following is

Water

Phenol

Acetic acid

Alcohol

115. Acyl halide is formed by reacting PCl₅ with

Both carboxylic acids as well as esters

Ester

Alcohol

Amide

116. In public urinals, we observe some nascent smell. This smell is due to

Formation of sulphonic acid by urea of urine

Hydrolysis of urea of urine by urease of atmosphere into NH₃ and CO₂

Hydrogen present in air reacts with nitrogen forming NH₃

Reaction of CO₂ of atmosphere with urea mononitrate in urine

117. Acetamide and NaOBr/OH produce

NH₃

CH₃CN

Ethanamine

Methanamine

118. Which chemical reacts at room temperature with ethanol and also with erhanoic acid?

CaCO₃

CH₃OH

CuO

Sodium metal

119. The carbon of carbonyl group is

Electrophilic

Nucleophilic

Electronrich

None of these

120. Hydrolysis is of an ester gives a carboxylic acid which on Kolbe’s electrolysis yields ethane. The ester is

Methyl ethanoate

Ethyl methonoate

Propylamine

Ethylamine

121. In which reaction, aromatic aldehyde is treated with acid anhydride in the presence of corresponding salt of the acid to give unsaturated aromatic acid?

None of these

Wurtz reaction

Friedel-Crafts reaction

Perkin’s reaction

122. The aldol on heating

It is not possible

Loses hydrogen and have a double bond between C – C

Loses water and have a double bond between ∞ and β carbon

Loses CO2 and have a double bond between ∞ and β carbon

123. Most reactive halide towards SN1 reaction

Allyl chloride

n-Butyl chloride

sec-Butyl chloride

tert-Butyl chloride

124. Which one of the following linage is called peptide linkage?

– CO – NH –

– CO – S –

– C – N

– CO – NH₂

125. The only alcohol that can be prepared by the indirect hydration of alkene is

Ethyl alcohol

Propyl alcohol

Methyl alcohol

Isobutyl alcohol

Page 6 of 10

126. 1, 3-Dibromopropane reacts with metallic zinc to form

Cyclopropane

Propene

Propane

Hexane

127. Self-condensation of acetaldehyde in the presence of dilute alkalies gives

An acetal

An aldol

Mesitylene

Propionaldehyde

128. In which process, an amino acid is produced

Wurtz synthesis

Aldol condensation

Strecker synthesis

Williamson’s synthesis

129. The reaction of aromatic acyl chloride and phenol in the presence of a base NaOH or pyridine is called

Kolbe’s reaction

Sandmeyer’s reaction

Schotten Baumann reaction

Perkin’s reaction

130. For which mechanism, the first step involved is the same

W₁ and E₂

E₁ and E₂

E₁ and SN₁

E₂ and SN₂

131. Which of the following is a method of converting a unsaturawted ketone into unsaturated hydrocarbon?

Wolf-Kishner reduction

Aldol condensation

Cannizzaro’s reaction

Reimer Tiemann reaction

132. Cyanoform is ________ acid in nature than the chloroform. The missing word is

Amphoteric

Stronger

Weaker

Neutral

133. Which of the following statements is correct?

Phenol is more acidic than CH₃COOH

Phenol is more acidic than ethanol

Phenol is more acidic than carbonic acid

Phenol is less acidic than ethyl alcohol

134. Ethylene reacts will 1% cold alkaline KMnO₄ to give

Oxalic acid

Formaldehyde

Ethylene glycol

Acetone

135. Tertiary alkyl halides are practically inert to substitution by SN2 mechanism because of

Inductive effect

Insolubility

Steric hindrance

Instability

136. SN₂ reaction can be best carried out with

Secondary alkyl halides

All the three

Primary alkyl halides

Tertiary alkyl halides

137. Essential amino acids are those amino acid which

β – Amino acids

Body can synthesis

Body cannot synthesize

α – Amino acids

138. An organic compound ‘X’ on treatment with acidified K₂Cr₂O₇ gives a comp bund ‘Y’ which reacts with I₂ and sodium carbonate to form Triodomethane. The compound ‘X’ is

CH₃OH

CH₃COCH₃

CH₃CH(OH)CH₃

CH₃CHO

139. The reaction of acetaldehyde with HCN followed by hydrolysis gives a product which exhibits

Metamerism

Tautomerism

Enantiomerism

Geometrical isomerism

140. Of the following four reactions, formic acid and acetic acid differ in which respect?

Formation of ester with alcohol

Blue litmus reaction

Reduction of Fehling solution

Replacement of hydrogen by sodium

141. On warming with silver powder, chloroform is converted into

Hexachloroethane

1, 1, 2, 2-tetrachloroethane

Ethylene

Acetylene

142.

CH₃COOH

CH₃CH₂OH

CH₃ – COWH₂

CH₃OH

143. Alkyl halides react with lithium dialkyl copper reagents to give

Alkenes

Alkyl copper halides

Alkenyl halildes

Alkanes

144. Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBh₄ or LiAH₄?

2-Propanol

Ethanol

1-Propanol

2-Methyl2-Proponal

145. An organic compound A reacts with methyl magnesium iodide to form an addition product which on hydrolysis forms the compound B. Compound B gives blue colour salt in Victor Meyer’s test. The compounds A and B are respectively.

Acetone, isopropyl alcohol

Acetaldehyde, ethyl alcohol

Acetaldehyde, isopropyl alcohol

Acetaldehyde, tertiary butyl alcohol

146. Acetic acid is categorized as a weak acid. The reason is that it

Has less dissociation

Is less volatile

Is less viscous

Has less density

147. Rearrangement of an oxime to an amide in the presence of strong acid is called.

Aldol condensation

Curtius rearrangement

Beckman rearrangement

Fires rearrangement

148. Which is true about phenol

Phenol react with H₂ to give cyclohenic not

Phenol can not be reduced

Phenol is an alcohol

Phenol react with H₂ to give benzene and H₂O

149. The IUPAC name of CH₃COCH (CH₃)₂ is

2 – Methyl- 2 butanone

4-Methylisoprophl ketone

Isoprophylmethyl ketone

3-Methyl-2 butanone

150. C₆H₆Cl₆ can be obtained from:

Cl₂ and Benzene and AlCl₃

HCl and Benzene

NaOCl and Benzene

Cl₂ and Benzene in diffused light

Page 7 of 10

151. The boiling point of glycerol is more than propanal because of:

Resonance

Hybridization

H-bonding

All these

152. Which responds to +ve iodoform test?

Butan-1-al

Butanol-1

2-Pentanone

Butanol-2

153. The order of decreasing ease of reaction with ammonia is

Anhydrides, ethers, esters

Anhydrides, esters, ethers

Ethers, anhydrides, esters

Esters, ethers, anhydrides

154. Acetic acid is obtained when

Acetaldehyde is oxidized with potassium dichromate and sulphuric acid

Methyl alcohol is oxidized with potassium permanganate

Calcium acetate is distilled in the presence of calcium formate

Glycerol is heated with sulphuric acid

155. Carboxylic acid can generally be prepared by various methods. Which is the following methods is not suitable for making carboxylic acids?

By the hydrolysis of nitrites

By the carbonation of Griganard reagent

By the hydrolysis of p – amines

By the oxidation f primary alcohols

156. Reverse of esterification is known as

Poly esterification

Hydrolysis

Neutralization

Hydration

157. How many monochlorobutanes will be possible on chlorination of n-butane?

1

5

2

3

158. Acetic acid is manufactured by

Ozonolysis

Fermentation

Distillation

Esterification

159. Toluene can be oxidized to benzoic acid by

None

Both

KMnO₄ (alk)

K₂Cr₂O₇ (acidic)

160. A compound A has a molecular formula C₂Cl₃OH. It reduces Fehling solution and on oxidation produces a monocarboxylic acid B.A can also be obtained by the action of Cl₂ on Ethanol. A is

Chloral hydrate

CH₃Cl

Chloroacetic acid

CHCl₃

161. Which of the following undergoes uncleophilic substitution exclusively by SN1 mechanism?

Benzyl chloride

Chlorobenzene

Isopropyl chloride

Ethyl chloride

162. Heating a mixture of sodium benzoate and soda lime gives

Benzene

Methane

Sodium benzoate

Calcium benzoate

163. Which of the following compounds on boiling with KMnO₄ (alk) and subsequent acidification will not give benzoic acid?

Anisole

Toluene

Benzyl alcohol

Acetophenone

164. Which product is not formed when acetic acid with HI in the presence of red phosphorus?

I₂

CH₃CH₃

H₂O

CH₃CH₂OH

165. The acid used to remove rust stains on cloth is

HCI

Formic acid

Fumaric acid

Oxalic acid solution

166. Which of the following reagents is used to distinguish between methanoic acid and ethanoic acid?

Neutral ferric chloride

Amm, silver nitrate solution

Sodium carbonate solution

Sodium hydroxide solution

167. Carboxylic acids are more acidic than phenol and alcohol because of

Highly acidic hydrogen

Formation of dimmers

Resonance stabilization of their conjugate base

Intermolecular hydrogen bonding

168. Which statement is not correct about CH₃COOH?

It is stronger acid than phenol

It can be oxidized very easily

It reacts with carbonates to liberate CO₂

Its pure form is called glacial acetic acid

169. When primary amine reacts with chloroform in ethanolic KOH, then the product is

An alcohol

An isocyanide

A cyanide

An aldehyde

170. Which statement in not correct about alcohol?

Ethyl alcohol evaporate more quickly

Ethyl alcohol is heavier than water

Alcohol produces H₂ by reaction with sodium metal.

Alcohol with less number of carbon atoms is more soluble in water than alcohol with more number of carbon atoms

171. Which of the following is hypotonic?

Acetaldehyde

Paraldehyde

None

Metaldehyde

172. Formic acid is obtained when

Acetaldehyde is oxidized with K₂Cr₂O₇ and H₂SO₄

Calcium acetate is heated with conc, H₂SO₄

Calcium formate is heated with calcium acetate

Glycerol is heated with oxalic acid

173. Acetamide is

Amphoteric

Highly acidic

Highly basic

Neutral

174. The acid showing salt like character in aqueous solution is

Benzoic acid

Acetic acid

Formic acid

α – Aminoacetic acid

175. By what process is ethanol converted to ethanoic acid

Hydration

Dehydrogenation

Reduction

Oxidation

Page 8 of 10

176. Which of the following react with NaOH to produce an acid and an alcohol?

NaHCO

CH₃COOH

C₆H₅COOH

CH₃CH₂COOH

177. A nucleophilic reagent will readily attack

Ethylene

Ethyne

Ethanal

Ethanoyl chloride

178. What will happen if LiAlH₄ is added to an ester?

Two units of acids are obtained

One unit of alcohol and one unit of acid is obtained

None of these

Two units of alcohol are obtained

179. Ethyl alcohol is converted into acetic acid by

Oxidation

Hydrogenation

Fermentation

Reduction

180. Which one is not a nucleophile?

NH₃

H₂O

H₂S

BF₃

181. Acetic anhydride is obtained from acetyl chloride by the reaction of

CH₃COONa

H₂SO₄

P₂O₅

CH₃COCH₃

182. Cyanohydrin of which of the following forms lactic acid

CH₃CHO

CH₃CH₂CH₂CHO

CH₃COCH₃

HCHO

183. Gammexane is

Chlorobenzene

Benzene hexachloride

Bromo benzene

Benzyl chloride

184. When acetamide is hydrolysed by boiling with acid the product obtained is

Ethyl amine

Ethyl alcohol

Acetic acid

Acetaldehyde

185. Among the following the most reactive towards alcoholic KOH is

CH₃CH₂CH₂Br

CH₃CH₂Br

CH₂ = CHBr

CH₃COCH₂CH₂Br

186. In the cyclic structure of the glucose when the position of atoms on carbon 1 is called one isomer changes to other. These isomers of glucose are called

Position isomers

cis – trans

Metamers

Anantiomers

187. Which one is in the form of yellow or orange crystalline solid?

Propauone phenyl hydrazine

Propanoneoxime

Acetaldehydehydrazone

2, 4 dinitropheny hydrazine

188. What is formed when oxalic acid is dehydrated by conc. H₂SO₄?

C + CO₂

CO

CO₂

CO + CO₂

189. Which of the following substance does not react with Na?

CH₃OH

C₂H₅OH

CH₃COOH

CH₃OCH₃

190. Which reagent is used to reduce a carboxylic group to an alcohol?

H₂/Pt

NaBH₄

H₂/Ni

LiAIH₄

191. Reduction with aluminum is poropoxide in excess of Isopropyl alcohol is called Meerwein Ponndorff-Verley (MPV). What will be the final product when cyclohex-2-enone is selectively reduces in MPV reaction?

Cyclohex-2-enol

Benzene

Cyclohexanol

Cyclohexanone

192. When phenol is sulphonated the main product

O – hydroxybenzene sulphonic acid

O and P hydroxybenzene sulphonic acid

P – hydroxybenzene sulphonic acid

Benzene sulphoxic acid

193. Unpleasant smell of carbylamine is obtained when chloroform and alcoholic KOH are heated with

Any aliphatic amine

Any primary amine

Any amine

Any aromatic amine

194. Ethyl alcohol reacts with acetyl chloride to form

Acetic acid

Ethyl chloride

Methyl acetate

Ethyl acetate

195. Hydrolytic reaction of fats by caustic soda is known as

Esterification

Saponification

Acetylation

Carboxylation

196. When alcohols react with carboxylic acids the product is

An ester

An alkane

No reaction

An ether

197. Acetic acid and formic acid, both exist as dimer in vapour state because of

Vander Waal’s forces

Distillation

Condensation

Hydrogen bonding

198. A compound possessing α-hydrogen atom, in the presence of dilute alkali forms β-hydroxy aldehyde. This product on heating with dilute acid forms an unsaturated crotonaldehyde. The compound is

HC ≡ C – CHO

CH₂ ≡ CH – CHO

CH₃CHO

CH₃CH₂CHO

199. Which of the following does give violet colour with neutral ferric chloride?

Acetic acid

Benzoic acid

Salicaylic acid

Formine acid

200. Zinc powder + Ph – OH → X. In the above reaction the product X will be

Phenyl acetate

Benzene

Benzaldehyde

Anisole

Page 9 of 10

201. Lactic acid on oxidation by alkaline potassium permanganate gives

Propionic acid

Cinnamic acid

Tartaric acid

Pyruvic acid

202. Which of the following process is employed to convert alkyl halide into alcohol?

Substitution

Dehydrohalogenation

Addition

Molecular rearrangement

203. HCOOH reacts with conc. H₂SO₄ to produce

CO₂

CO

NO

NO₂

204. Isopropyl alcohol on oxidation gives

Acetaldehyde

Ethylene

Acetone

Ether

205. Carbonyl compounds undergo addition reactions because

They are unsaturated hydrocarbons

It has a C-O bond

It is an aldehyde

It has a sigma bond and a A bond

206. Aniline reacts with which of these to form Schiff base?

Acetic acid

Acetone

Benzaldehyde

NH₃

207. Give IUPAC name of Acetone

Butanone

Propanal

Ethanal

Propanone

208. Acetamide is prepared by

Heating ethyl acetate

Heating ammonium acetate

Heating methyl nitrile

The hydrolysis of methyl nitrile

209. Benzophenone can be converted into benzene using

Fused alkali

Sodium amalgam in water

Anhydrous AlCl₃

Acidfied dichromate

210. Concentrated sodium hydroxide and Benzaldehyde react to produce

Cinnamic acid

Benzophenone

Hydrobenzamide

Benzyl alcohol

211. A carboxyl acid contains

A carbonyl and an aldehyde group

A carbonyl group

A hydroxyl and carbonyl group

A hydroxyl group

212. Which of the following organic compounds have fruity smell?

Ethers

Alcohols

Carboxylic acids

Esters

213. In the presence of Aluminum ethoxide, aldehydes get converted into esters. The reaction is known as

Aldol condensation

Beckmann’s rearrangement reaction

Schmidt reaction

Tischenko reaction

214. Ethyl bromide on treatment with alcoholic KOH gives

Acetic acid

Ethane

Ethanol

Ethylene

215. Hybridization state of carbocation is

dSP²

SP³

SP

SP²

216. The conversion of acetic acid to methane is an example of

Oxidation

Dehydration

Hydration

Decaboxylation

217. How can you distinguish between aldehyde and ketone?

Sod bisulphite

Oxidation reactions

By2, 4 dinitropheny hydrazine

None of these

218. Chlorobenzene on heating with aqueous NH₃ under pressure in the presence of cuprous chloride gives

Nitrobenzene

Benzamide

Chloroaminobenzene

Aniline

219. Acetic acid is manufactured by the fermentation of

Ethanal

Methanal

Ethanol

Methanol

220. The reactivity of order of alkyl halide for a particular alkyl group is

Flouride > Chloride > Bromide > lodide

Iodide > Chloride > Bromide > Flouride

Iodide > Bromide > Chloride > Flouride

Chloride > Bromide > Flouride > Iodide

221. Butanenitrile is formed by reaction of KCN with

Butyl chloride

Propyl Chloride

Propyl alcohol

Butyl alcohol

222. 3 moles of ethanol react with one mole of phosphorus tribromide to from 3 moles of bromoethane and one mole of X. Which of the following is X?

HPO₃

H₃PO₂

H₃PO₄

H₃PO₃

223. Which of the following will have highest B.P

Methanol

Propanal

2 – hexanone

Ethanol

224. Which acid is used in the manufacture of synthetic fibre?

Formic acid

Acetic acid

Carbonic Acid

Oxalic acid

225. Which statement is incorrect about a Zwitterion?

All amino acids form Zwitterion

It is found in neutral, acidic and basic conditions

It has positive end and negative end in the same molecule

It is also called an internal salt

Page 10 of 10

226. Which of the following compounds does not react with NaHSO₃?

Acetaldehyde

Acetophenone

C₆H₅CHO

Acetone

227. The reaction of alcohol with acetic acid is called as

Esterification

Ammonlysis

Sponificaton

Hydrolysis

228. Acetone is oxidized with

Benedicts solution

Tollen’s reagent

Fehling solution

Acidic dichromate solution

229. Ethyl acetate reacts with CH₃MgBr to form

Tertiary alcohol

Primary alcohol and acid

Secondary alcohol

Acid

230. 2-Bromopentane is heated with potassium ethoxide in ethanol. The major product obtained is

Eis-Pent-2-ene

Pent-1-ene

Trans-Pent-2-ene

2-Ethpxypentane

231. Ester has peculiar smell. Which of following is used as an essence of orange.

Methyl butyrate

Isoaml valerate

Octyle acetate

Isoaml acetate

232. C₂H₅CHO and (CH₃)₂CO can be distinguished by testing with

Phenyl hydrazine

Sodium bisulphate

Fehling solution

Hydroxylamine

233. An organic acid having molecular formula C₂H₄O₂ is

Formic acid

Acetic acid

Oxalic acid

Propionic acid

234. When propanamide reacts with Br₂ and NaOH then which of the following compounds is formed?

Ethylamine

Propyl amine

Ethyl alcohol

Propyl alcohol

235. Which is more acidic?

m-cresol

o-cresol

phenol

p-nitrophenol

236. Which is not true about acetophenone?

Reacts with I₂/NaOH to form iodoform

Reacts with Tollen’s reagent to form silver mirror

On oxidation with alkaline KMnO₄ followed by hydrolysis gives benzoic acid

Reacts to form 2, 4-dinitrophenyl hydrazine

237. Organic acid without a carboxylic acid group is

Ascorbic acid

Oxalic acid

Picric acid

Vinegar

238. If formaldehyde and KOH are heated then we get

Methyl alcohol

Acetylene

Ethyl formate

Methane

239. If acetyl chloride is reduced in the presence of BaSO₄ and Pd, then

CH₃COOH is formed

CH₃COCH₃ is formed

CH₃CH₂OH is formed

CH₃CHO is formed

240. Which of the following reactions can produce R – CO – Ar?

B

C

D

A

241. Which of the following compounds cannot be used to prepare acid chloride from carboxylic acid?

All

S₂CI₂

PCI₅

SOCI₂

242. (HC)₃ – C – OH IUPAC name is

Isoprophyl alcohol

2-methyl-2-Propanol

Tertiary butyl alcohol

Butyl alcohol

243. C₂H₅OH can be differentiated from CH₃OH by

Reaction with NH₃

Reaction with HCI

Iodoform test

Solubility in water

Total Questions:	243
Time Allowed:	60 Minutes
Total Marks:	243
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	ECAT Entry Test Chemistry Online Test Interview Questions about Chemisttry All Universities Entrance Test Recruitments Tests

ECAT Chemistry Carboxylic Acid Test Online

Chemistry Carboxylic Acid MCQS Online Test

ECAT Chemistry Carboxylic Acid Chapter Online Test

ECAT Chemistry Carboxylic Acid Test

You Might Also Like

Mustansar Khan

Leave a Reply Cancel reply

Chemistry Carboxylic Acid MCQS Online Test

ECAT Chemistry Carboxylic Acid Chapter Online Test

ECAT Chemistry Carboxylic Acid Test

You Might Also Like

Mustansar Khan

Your Related

ECAT Computer Science Microsoft Access-Forms and Reports Test Online

ECAT Computer Science Data Communications Test Online

ECAT Mathematics Linear Inequalities and Linear Programming Test Online

ECAT Physics Current Electricity Online Test

ECAT Computer Boolean Algebra Test Online

ECAT English Antonyms 1 Test Online

Leave a Reply Cancel reply