ECAT Chemistry Carboxylic Acid Chapter Test Online

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1. Acetic acid exists as dimmer in benzene due to

Presence of carboxylic group

H – bonding

Presence of hydrogen at alpha – carbon

Condensation

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

Esterification

Carboxylation

Saponification

Acetylation

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

Passing dry HCl through it

Distilling it

Reacting with Mg

Reacting with Na metal

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

Bromoacetic acid

Ethylamine

Methyl amine

Acetic acid

5. Which of the following is incorrect?

FeCl₃ is used in the detection of phenols

Fehling solution is used in the detection of glucose

Tollen’s reagent is used in detection of unsaturation

NaHSO₃ is used in the detection of carbonyl compounds

6. In which process, an amino acid is produced

Williamson’s synthesis

Strecker synthesis

Wurtz synthesis

Aldol condensation

7. Hybridization state of carbocation is

dSP²

SP²

SP³

SP

8. The compound having general formula RCHOR is called

Aldols

Acetals

Hemiacetals

Diesters

9. The carbon of carbonyl group is

Electronrich

Nucleophilic

None of these

Electrophilic

10. Weakest acid among the following is

Acetic acid

Phenol

Alcohol

Water

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

Hydrogen atom of carboxyl group in involved

– OH group is replaced by another group

– COOH group is involved as whole

H atom and – OH group are involved

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

Acetaldehydehydrazone

Propauone phenyl hydrazine

2, 4 dinitropheny hydrazine

Propanoneoxime

13. Reduction of aldehydes with HI and P give

Tertiary alcohols

Secondary alcohols

Primary alcohols

Alkanes

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

Amm, silver nitrate solution

Sodium carbonate solution

Sodium hydroxide solution

Neutral ferric chloride

15. A nucleophilic reagent will readily attack

Ethylene

Ethanoyl chloride

Ethyne

Ethanal

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

An aldol

Mesitylene

An acetal

Propionaldehyde

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

One unit of alcohol and one unit of acid is obtained

Two units of alcohol are obtained

Two units of acids are obtained

None of these

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

C₂H₅OH

CH₃OH

CH₃OCH₃

CH₃COOH

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

Hoffmann’s bromamide reaction

H.V.Z. reaction

Hoffmann’s methylation

Gabriel phthalimide reaction

20. Carbonyl compounds undergo addition reactions because

It is an aldehyde

It has a sigma bond and a A bond

It has a C-O bond

They are unsaturated hydrocarbons

21. Acetamide and NaOBr/OH produce

CH₃CN

Methanamine

NH₃

Ethanamine

22. SN₂ reaction can be best carried out with

Secondary alkyl halides

Tertiary alkyl halides

Primary alkyl halides

All the three

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

Benzoic acid

Salicaylic acid

Formine acid

Acetic acid

24. Which is more acidic?

o-cresol

phenol

m-cresol

p-nitrophenol

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

CO₂

C + CO₂

CO

CO + CO₂

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

Acetylene

Sodium formate

Formic acid

Trihydroxymethane

27. Which responds to +ve iodoform test?

Butanol-1

Butanol-2

2-Pentanone

Butan-1-al

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

Acetic anhydride

Acetyl chloride

Acetic acid

Methyl propionate

29. 2-Bromopentane is heated with potassium ethoxide in ethanol. The major product obtained is

2-Ethpxypentane

Trans-Pent-2-ene

Eis-Pent-2-ene

Pent-1-ene

30. Which is the general formula for aldehydes?

B

C

A

D

31. A carboxyl acid contains

A hydroxyl and carbonyl group

A carbonyl and an aldehyde group

A carbonyl group

A hydroxyl group

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

Phenyl acetate

Anisole

Benzaldehyde

Benzene

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

By the oxidation f primary alcohols

By the carbonation of Griganard reagent

By the hydrolysis of nitrites

By the hydrolysis of p – amines

34. Benzophenone can be converted into benzene using

Anhydrous AlCl₃

Sodium amalgam in water

Acidfied dichromate

Fused alkali

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

Fumaric acid

Oxalic acid solution

HCI

Formic acid

36. Ethyl bromide on treatment with alcoholic KOH gives

Ethanol

Ethane

Acetic acid

Ethylene

37. Aldol condensation will not be observed in

Phenyl acetaldehyde

Hexanal

Ethanal

Chloral

38. Saponification of ethyl benzoate with caustic soda

Phenol, ethanoic acid

Benzyl alcohol, ethanoic acid

Sodium benzoate, ethanol

Benzoic acid, sodium ethoxide

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

CH₃I

CH₃Br

CH₃F

CH₃Cl

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

Tautomerism

Enantiomerism

Metamerism

Geometrical isomerism

41. Formic acid is obtained when

Acetaldehyde is oxidized with K₂Cr₂O₇ and H₂SO₄

Calcium formate is heated with calcium acetate

Glycerol is heated with oxalic acid

Calcium acetate is heated with conc, H₂SO₄

42. Isopropyl alcohol on oxidation gives

Acetone

Acetaldehyde

Ether

Ethylene

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

Alkyl hydrogen sulphate

Carbonium ion

Alkoxy ion

None of these

44. Which of the following is the strongest acid?

CF₃COOH

CCl₃COOH

CH₃COOH

CBr₃COOH

45. Reductive ozonolysis of benzene produces

Glyoxal

Acetone

Maleic anhydride

Phthalic acid

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

Beckmann’s rearrangement reaction

Tischenko reaction

Schmidt reaction

Aldol condensation

47. 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.

Acetaldehyde, ethyl alcohol

Acetaldehyde, isopropyl alcohol

Acetaldehyde, tertiary butyl alcohol

Acetone, isopropyl alcohol

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

Formation of an ester

Formation of carbocation

Protonation of alcohol molecule

Elimination of water

49. Acetamide is

Highly basic

Amphoteric

Highly acidic

Neutral

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

2 x 10¯²

3 x 10¯⁴

0.02 x 10¯¹

2 x 10¯⁴

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

2 – hexanone

Propanal

Ethanol

Methanol

52. HCOOH reacts with conc. H₂SO₄ to produce

NO

NO₂

CO₂

CO

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

HCl > HBr > HI

HBr > HI > HCl

HI > HBr > HCl

HBr > HCl > HI

54. Lower carboxylic acids are soluble in water due to

Dissociation into ions

Low molecular weight

Hydrogen bonding

Easy hydrolysis

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

CH₂ = CHBr

CH₃CH₂Br

CH₃CH₂CH₂Br

CH₃COCH₂CH₂Br

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

Benzyl alcohol

Anisole

Acetophenone

Toluene

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

Formic acid

Ethanol

Oxalic acid

Glyoxal

58. 1-Chlorobutane on reaction with alcoholic potash gives

But-2-ene

Butan-2-ol

Butan-1-ol

But-1-ene

59. Chromyl chloride and toluene react to produce

Benzoic acid

Benzaldehyde

Benzyl chloride

p-chlorotoluene

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

Ethylbutyrate

Benzyl acetate

Amylacetaete

Amylbutyrate

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

CH₃COCH₃

CH₃COONa

H₂SO₄

P₂O₅

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

Resonance stabilization of their conjugate base

Intermolecular hydrogen bonding

Formation of dimmers

Highly acidic hydrogen

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

Calcium benzoate

Methane

Benzene

Sodium benzoate

64. 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

cis – trans

Anantiomers

Metamers

Position isomers

65. The reaction of an alkyl halide with RCOOAg produces

Aldehyde

Ether

Ester

Ketone

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

PCI₅

S₂CI₂

All

SOCI₂

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

Benzoic acid

Acetic acid

α – Aminoacetic acid

Formic acid

68. Grignard’s reagent is reactive due to

The pressure of halogen atom

None of these

The polarity of C-Mg bond

The presence of Mg atom

69. Rosenmund’s reduction of an acyl chloride gives

An aldehydes

An alcohol

An ester

A hydrocarbon

70. Lactic acid on heating with dil. H₂SO₄ gives

Propionic acid

Acrylic acid

Acetic acid

Formic acid

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

Succinic acid

Acetic acid

Oxalic acid

Maleic acid

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

CH₃CH₂COOH

CH₃COOH

C₆H₅COOH

NaHCO

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

Ethyl choroformate

Carbon dioxide

Ethyl formate

Acetyl chloride

74. Most reactive halide towards SN1 reaction

n-Butyl chloride

sec-Butyl chloride

Allyl chloride

tert-Butyl chloride

75. Which is true about phenol

Phenol react with H₂ to give benzene and H₂O

Phenol is an alcohol

Phenol can not be reduced

Phenol react with H₂ to give cyclohenic not

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

Sodium metal

CaCO₃

CH₃OH

CuO

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

Anhydrides, ethers, esters

Esters, ethers, anhydrides

Anhydrides, esters, ethers

Ethers, anhydrides, esters

78. 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

CH₃CH₂CHO

CH₃CH₂COOH

CH₃CH(OH) CH₃

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

Aldol condensation

Curtius rearrangement

Fires rearrangement

Beckman rearrangement

80. Which statement is not correct about CH₃COOH?

It is stronger acid than phenol

It reacts with carbonates to liberate CO₂

Its pure form is called glacial acetic acid

It can be oxidized very easily

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

2 moles of methyl cyanide

Acetic anhydride

2 moles of ethyl alcohol

Formic anhydride

82. Gammexane is

Bromo benzene

Benzene hexachloride

Chlorobenzene

Benzyl chloride

83.

CH₃OH

CH₃COOH

CH₃ – COWH₂

CH₃CH₂OH

84. 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

Tertiary alcohol

Primary alcohol

Alkene

Ether

85. Sulphonation of benzoic acid produces mainly

o-Sulphobenzoic acid

p-sulphobenzoic acid

m-sulphobenzoic acid

o-and p-sulphobenzoic acid

86. Between CH₃COOH and HCOOH, HCOOH will be

Less acidic

More acidic

None of these

Equally acidic

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

Resonance

Hybridization

All these

H-bonding

88. Ethyl alcohol gives ethyl chloride with the help of

Cl₂

KCl

SOCl₂

NaCl

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

Isopropyl chloride

Chlorobenzene

Ethyl chloride

Benzyl chloride

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

Acetic acid

Carbonic acid

Formic acid

Oxalic acid

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

CH₃CHO is formed

CH₃COCH₃ is formed

CH₃CH₂OH is formed

CH₃COOH is formed

92. The alanine is ____________ in nature

Neutral

Basic

Acidic

Weakly acidic

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

It is weaker than acetic acid

On heating its calcium salt it is converted into ketone

It is an oxidizing agent

It is a reducing agent

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

Methyl Ethanoate

Propanamide

Formamide

Propanoic acid

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

Amphoteric

Stronger

Neutral

Weaker

96. Essential amino acids are those amino acid which

Body cannot synthesize

α – Amino acids

Body can synthesis

β – Amino acids

97. The carbon atom of a carbonyl group is

Sp³ – hybridized

Sp – hybridized

Unhybridized

Sp² – hybridized

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

CH₃CH₃

H₂O

CH₃CH₂OH

I₂

99. Which of the following is hypotonic?

Paraldehyde

Metaldehyde

None

Acetaldehyde

100. Acetic acid is obtained when

Calcium acetate is distilled in the presence of calcium formate

Methyl alcohol is oxidized with potassium permanganate

Acetaldehyde is oxidized with potassium dichromate and sulphuric acid

Glycerol is heated with sulphuric acid

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

Schotten Baumann reaction

Perkin’s reaction

Sandmeyer’s reaction

Kolbe’s reaction

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

Ethanol

Ethanal

Benzyl alcohol

Isopropyl alcohol

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

Ether

Carboxylic acid

Ketone

Acetaldehyde

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

Acid

Enzyme

Alkali

Metallic ion

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

Acetophenone

Acetaldehyde

C₆H₅CHO

Acetone

106. Isozymes are the enzymes which

Have similar chemical properties

Have different physical and chemical properties

Have similar physical properties

Have same physical and chemical properties

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

An isocyanide

A cyanide

An aldehyde

An alcohol

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

Glycol with KOH

LiAlH₄ in water

Zn-Hg with conc. HCl

H₂ with Pd catalyst

109. C₂H₅OH can be differentiated from CH₃OH by

Reaction with HCI

Solubility in water

Iodoform test

Reaction with NH₃

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

They have an alectrophilic carbon and leaving group

They have an electrophilic carbon

They have an electrophilic carbon and had leaving group

None of the above

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

Isoprophylmethyl ketone

2 – Methyl- 2 butanone

4-Methylisoprophl ketone

3-Methyl-2 butanone

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

Ethanol

1-Propanol

2-Propanol

2-Methyl2-Proponal

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

Methyl butyrate

Isoaml acetate

Octyle acetate

Isoaml valerate

114. Acidic hydrolysis of acetamide gives

Acetaldehyde

Acetic acid

Methyl amine

Formic acid

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

Reduction of feeling solution

Formation of ester with alcohol

Blue litmus reaction

Replacement of hydrogen by sodium

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

3: > 2: > 1:

2: > 1: > 3:

No specific order

1: > 2: > 3:

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

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

Addition product of Grignard reagent and CO₂

Alkyl halide

Alkyl Nitrile

118. (HC)₃ – C – OH IUPAC name is

Butyl alcohol

2-methyl-2-Propanol

Isoprophyl alcohol

Tertiary butyl alcohol

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

W₁ and E₂

E₂ and SN₂

E₁ and SN₁

E₁ and E₂

120. Carbon atom holding halogen in aryl halides is

sp³-hybrideshed

Sp³d-hybrideshed

sp-hybrideshed

sp²-hybridesed

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

Addition

Molecular rearrangement

Substitution

Dehydrohalogenation

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

Ethylamine

Methyl ethanoate

Propylamine

Ethyl methonoate

123. 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

CH₂ = CH – CH₃

CH₃ – CHO

CH₃COOC₂H₅

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

Reaction of CO₂ of atmosphere with urea mononitrate in urine

Hydrogen present in air reacts with nitrogen forming NH₃

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

Formation of sulphonic acid by urea of urine

125. If formaldehyde and KOH are heated then we get

Methane

Ethyl formate

Acetylene

Methyl alcohol

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126. 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 mesitylene oxide

Propanal and mesitylene

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

Propanone and mesityl oxide

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

Glyoxal

Oxalic acid

Formic acid

Acetaldehyde

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

Acetic acid

Ethyl alcohol

Ethyl amine

Acetaldehyde

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

D

B

C

A

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

Carbon dioxide

Water

Methane

Chlorofluorocarbons

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

The reagent reacts with water

The reagent does not react with water

The reagent is highly reactive in ether

The reagent becomes inactive in water

132. Hydrolysis of trichloromethane with aqueous KOH gives

Acetylene

Methanol

Potassium formate

Chloral

133. Which of the following is correct?

Reaction of vegetable oil with H₂SO₄ gives glycerine

Reduction of any aldehyde gives secondary alcohol

Sucrose on reaction with NaCl gives invert sugar

Alcoholic iodine with NaOH gives iodoform

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

Decaboxylation

Dehydration

Oxidation

Hydration

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

Formation of rayon and silk

Coagulant for rubber latex

Formation of alcohol

Local irritant

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

Ethanenitrile

Formaldehyde

Ethyl alcolhol

Methyl iodide

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

FCH₂COOH > ClCH₂COOH > BrCH₂COOH (ACID STRENGTH)

Benzamide < Aniline < Cyclohexylamine (ACID STRENGTH)

Cyclohexanol < Phenol < Benzoic acid (ACID STRENGTH)

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

138. Which one is non – reducing sugar?

Fructose

Galactose

Glucose

Sucrose

139. Which compound has the maximum repulsion with H₂O?

C₆H₆

CH₃CH₂OH

CH₃-O-CH₃

C₂H₅OH

140. Bakelite is a polymer of

Benzyl alcohol

Phenol

Formaldehyde

Hydroxy benzyl alcohol

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

Acetic acid

Carbonic Acid

Formic acid

Oxalic acid

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

Iodide > Chloride > Bromide > Flouride

Flouride > Chloride > Bromide > lodide

Chloride > Bromide > Flouride > Iodide

Iodide > Bromide > Chloride > Flouride

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

Grignard reagent

NH₄Cl

Na₂SO₄

NaHSO₃

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

Primary

Tertiary

All above

Secondary

145. When phenol is sulphonated the main product

Benzene sulphoxic acid

O and P hydroxybenzene sulphonic acid

O – hydroxybenzene sulphonic acid

P – hydroxybenzene sulphonic acid

146. An organic acid having molecular formula C₂H₄O₂ is

Acetic acid

Formic acid

Oxalic acid

Propionic acid

147. Acetic acid is manufactured by the fermentation of

Methanol

Methanal

Ethanol

Ethanal

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

Hexachloroethane

1, 1, 2, 2-tetrachloroethane

Acetylene

Ethylene

149. Lactic acid on oxidation by alkaline potassium permanganate gives

Cinnamic acid

Propionic acid

Pyruvic acid

Tartaric acid

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

They have an electrophilic carbon and good leaving group

They have an electrophilic carbon

They have a neucleophilic carbon and bad leaving group

They have a neuclophilic carbon and good leaving group

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151. Alkaline hydrolysis of urea with dil. NaOH gives

Ammonia and cyanuric acid

Ammonia and sodium carbonate

Nitrogen and sodium carbonate

Biuret and ammonia

152. Acyl halide is formed by reacting PCl₅ with

Both carboxylic acids as well as esters

Ester

Amide

Alcohol

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

Electrophilic addition

Nueleophilic addition

Electrophilic substitution

Nucleopihlic substitution

154. Ethyl alcohol reacts with acetyl chloride to form

Methyl acetate

Ethyl chloride

Ethyl acetate

Acetic acid

155. Ethyl alcohol is converted into acetic acid by

Fermentation

Hydrogenation

Oxidation

Reduction

156. Organic acid without a carboxylic acid group is

Ascorbic acid

Oxalic acid

Picric acid

Vinegar

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

NH₃

Acetic acid

Acetone

Benzaldehyde

158. How can you distinguish between aldehyde and ketone?

None of these

Sod bisulphite

Oxidation reactions

By2, 4 dinitropheny hydrazine

159. Picric acid is

2, 4, 6-Tribromoethanol

2, 4, 6-Trinitrotoluene

2, 4, 6-Trinitrophenol

Para-Nitrophenol

160. Toluene can be oxidized to benzoic acid by

None

Both

KMnO₄ (alk)

K₂Cr₂O₇ (acidic)

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

Phenyl benzoate

Phenyl salicylate

Methyl salicylate

Phenyl acetate

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

Propanone

Ethanal

Methanal

Ethanol

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

When its calcium salt is heated, it forms a ketone

It is a weaker acid than acetic acid

It is an oxidizing agent

It is a reducing agent

164. Reaction of acids with alcohols is also known as

Saponification

Alkalization

Esterification

None

165. 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

Cyclohexanol

Cyclohexanone

Benzene

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

Alkyl copper halides

Alkanes

Alkenes

Alkenyl halildes

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

Ethane

Ethanol

Ethylether

Acetone

168. Concentrated sodium hydroxide and Benzaldehyde react to produce

Benzyl alcohol

Cinnamic acid

Benzophenone

Hydrobenzamide

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

Iodoform reaction

Reaction of Fehling solution

Phenol complexes

Recuction of Tollen’s reaction

170. 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

Isobutyl alcohol

Diethyl ether

n-Butyl alcohol

Sec-Butyl alcohol

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

Phenyl hydrazine

Fehling solution

Sodium bisulphate

Hydroxylamine

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

Inductive effect

Insolubility

Steric hindrance

Instability

173. The aldol on heating

Loses hydrogen and have a double bond between C – C

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

It is not possible

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

174. Which one of the following contains carboxylic group?

Picric acid

All above

Carbolic acid

Glutamic acid

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

Methyl alcohol

Propyl alcohol

Ethyl alcohol

Isobutyl alcohol

Page 8 of 10

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

6

1

2

4

177. When alcohols react with carboxylic acids the product is

An ether

An alkane

No reaction

An ester

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

Hydrolysis

Esterification

Ammonlysis

Sponificaton

179. 1, 3-Dibromopropane reacts with metallic zinc to form

Propane

Hexane

Propene

Cyclopropane

180. 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

CH₃CH₂CHO

CH₃CHO

CH₂ ≡ CH – CHO

181. C₆H₆Cl₆ can be obtained from:

Cl₂ and Benzene and AlCl₃

HCl and Benzene

Cl₂ and Benzene in diffused light

NaOCl and Benzene

182. Which of the following statements is correct?

Phenol is more acidic than carbonic acid

Phenol is less acidic than ethyl alcohol

Phenol is more acidic than ethanol

Phenol is more acidic than CH₃COOH

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

Aniline

Chloroaminobenzene

Nitrobenzene

Benzamide

184. Acetic acid is manufactured by

Esterification

Ozonolysis

Fermentation

Distillation

185. 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

186. 1-Phenylethanol can be prepared by reaction of benzaldehyde with

Methyl bromide

Methyl bromide and AlBr₃

C₂H₅I and Mg

Methyl iodide and Magnesium

187. 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?

H₃PO₃

H₃PO₄

H₃PO₂

HPO₃

188. The reactivity of alkyl halides depend upon

Both a and b

Bond type

Bond polarity

Bond strength

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

Perkin’s reaction

Friedel-Crafts reaction

None of these

Wurtz reaction

190. Phenol gives _______ Colour with neutral FeCl₃ solution

Violet

Blue

Green

Red

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

Phenol

Benzoic acid

Benzyl alcohol

Benzaldehyde

192. Aspirin is

Benzoic acid

Acetyl salicylic acid

Phenyl salicylic acid

Salicylic acid

193. Which statement is incorrect about a Zwitterion?

All amino acids form Zwitterion

It is also called an internal salt

It has positive end and negative end in the same molecule

It is found in neutral, acidic and basic conditions

194. 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

CH₃COCH₃

CH₃CH(OH)CH₃

CH₃OH

CH₃CHO

195. Propanone is the product obtained by dehydrogenation of

Isobutyl alcohol

2-Propanol

Propanethoil

1-Propanol

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

Chloroethane, chlorobenzene, vinyl chloride

Vinyl chloride, chlorobenzene, Chloroethane

Vinyl chloride, Chloroethane, Chlorobenzene

Chlorobenzene, vinyl chloride, chloroethane

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

H₂/Ni

LiAIH₄

NaBH₄

H₂/Pt

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

Hydration

Solvoysis

Hydrolysis

Salvation

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

Dichloroacetone

Trichloroacetealdehyde

Trichloroethane

Dichloroacetaldehyde

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

Oxalic acid

Acetone

Formaldehyde

Ethylene glycol

Page 9 of 10

201. Which reaction yields Bakelite?

Urea with HCHO

Tetra methyl glycol with Hex methylene diisocyanate

Phenol and HCHO

Ethylene glycol and Dimethylterephethalate

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

Citric acid

Acetic acid

Palmitic acid

Lactic acid

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

Isoaml valerate

Octyl acetate

Methyl butyrate

Amyl acetate

204. Which one is non- reducing sugar?

Sucrose

Galactose

Fructose

Glucose

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

Carboxylic acids

Ethers

Esters

Alcohols

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

Has less dissociation

Has less density

Is less viscous

Is less volatile

207. By what process is ethanol converted to ethanoic acid

Dehydrogenation

Hydration

Reduction

Oxidation

208. In esterification, H₂SO₄ can

Increase the rate of reaction

Remove H₂O

As a dehydrating agent

All the above

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

CH₃CHO

CO₂

CH₃COCH₃

HCHO

210. Acetone is oxidized with

Acidic dichromate solution

Benedicts solution

Tollen’s reagent

Fehling solution

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

2

1

5

3

212. What is IUPAC name of the following

2-chloro, 1-butene

2-Chloro, 3-butene

3-chloro, 1-butene

3-Chloro, 2-butene

213. Reverse of esterification is known as

Hydrolysis

Poly esterification

Hydration

Neutralization

214. Tetrabromoethane one treatment with alcoholic gives

Ethene

Ethyne

Ethane

Ethylbromide

215. Which statement in not correct about alcohol?

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

Ethyl alcohol evaporate more quickly

Ethyl alcohol is heavier than water

Alcohol produces H₂ by reaction with sodium metal.

216. Which one is not a nucleophile?

H₂O

NH₃

H₂S

BF₃

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

Absence of α – hydrogen

H – bonding

High reactivity of α – hydrogen

Resonance stabilization of the carboxylate ion

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

Condensation

Hydrogen bonding

Distillation

Vander Waal’s forces

219. Acetamide is prepared by

Heating methyl nitrile

The hydrolysis of methyl nitrile

Heating ammonium acetate

Heating ethyl acetate

220. Allyl chloride on dehydrochlorination gives

Acetone

Propylene

Allyl alcohol

Propadiene

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

Phenol

Acetic acid

Acetyl Chloride

Methyl alcohol

222. Acetamide is prepared by

Heating methyl acetate

Heating ethyl acetate

The hydrolysis of methyl cyanide

Heating ammonium acetate

223. Which is not true about acetophenone?

Reacts with Tollen’s reagent to form silver mirror

Reacts with I₂/NaOH to form iodoform

On oxidation with alkaline KMnO₄ followed by hydrolysis gives benzoic acid

Reacts to form 2, 4-dinitrophenyl hydrazine

224. Which of the following is not fatty acids?

Propanoic acid

Phathalic acid

Acetic acid

Butanoic acid

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

Alkene

Grignard’s reagent

Alkyne

Magnesium halide

Page 10 of 10

226. Give IUPAC name of Acetone

Butanone

Propanal

Ethanal

Propanone

227. 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

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

Any amine

Any aromatic amine

Any aliphatic amine

Any primary amine

229. Monocarboxylic acids exist as dimmer because if

Cohesive forces

Hydrogen bonding

Dipole – dipole attraction

Van der Waal’s forces

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

Ethyl alcohol

Propyl amine

Propyl alcohol

Ethylamine

231. Glacial acetic acid is

Pure acetic acid above 16.6°C

Acetic acid mixed with methanol

Pure acetic acid at 100°C

Pure acetic acid at 0°C

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

Zinc

AlCl₃

Nickel

Bright sunlight

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

30%

20%

20 – 50%

6 – 10%

234. SN1 reaction of alkylhalides leads to

Inversion of configuration

Retention of configuration

None of these

Recemisation

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

C₆H₅CI

C₂H₅CI

C₂H₅Br

CH₃I

236. 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

Chloroacetic acid

CHCl₃

Chloral hydrate

CH₃Cl

237. Ethyl acetate reacts with CH₃MgBr to form

Tertiary alcohol

Secondary alcohol

Acid

Primary alcohol and acid

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

Wolf-Kishner reduction

Reimer Tiemann reaction

Aldol condensation

Cannizzaro’s reaction

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

Carboxylic acids

Nitro compounds

Olefins

Carbonyl compounds

240. Cyanohydrin of which of the following forms lactic acid

HCHO

CH₃CHO

CH₃CH₂CH₂CHO

CH₃COCH₃

241. Butanenitrile is formed by reaction of KCN with

Propyl Chloride

Butyl chloride

Propyl alcohol

Butyl alcohol

242. Calcium acetate when dry distilled gives

Formaldehyde

Acetaldehyde

Acetone

Acetic anhydride

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

– CO – S –

– C – N

– CO – NH –

– CO – NH₂

Total Questions:	243
Time Allowed:	60 Minutes
Total Marks:	243
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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