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ECAT Chemistry Alcohols Phenols And Ethers Test Online

Maan AliLast Updated: April 19, 2025

Chemistry Alcohols Phenols And Ethers MCQS Online Test

ECAT Chemistry Alcohols Phenols And Ethers Chapter Online Test

Total Questions:	69
Time Allowed:	30 Minutes
Total Marks:	69
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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ECAT Chemistry Alcohols Phenols And Ethers Test

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Page 1 of 3

1. Grignard reagent on reaction with a ketone forms

Tertiary alcohol

Secondary alcohol

Primary alcohol

Carboxylic acid

2. 1 alcohols are oxidized to give

Aldehydes

Ketones

None

Carboxylic acids

3. Aniline is a derivative of

Alicyclic hydrocarbon

Alkene

Alkane

Aromatic hydrocarbon

4. To convert glucose to ethanol which enzyme is active

Diastase

Maltase

Zymase

Invertase

5. The optimum temperature for fermentation process is

25-35C²

35-45C²

100C²

0-35C²

6. Benzyl alcohol has a chemical formula

None

C₆H₅CH₂OH

C₆H₅OH

C₆H₄CH₂OH

7. Ethyl alcohol on oxidation with K₂Cr₂O₇ gives

Acetic acid

Formic acid

Acetaldehyde

Formaldehyde

8. Maximum number of active hydrogens are present in

Acetic acid

Methanol

Glycerol

Methane

9. Which one of the following compounds gives characteristic deep colour with FeCl₃ solution?

Acetone

Phenol

Acetic acid

Ethanol

10. Methanol is manufactured by

Both a and b

Distillation

None of these

Fermentation

11. IUPAC name of diethyl ether is

Ethyox ethane

Methoxy

Methoxy ethyne

Ethyox methane

12. Alcohols are miscible in water due to

Hydrogen bonding

They ionize in water

Presence of alkyl group

They are acidic in character

13. Iodine number of an oil indicates its

Molecular weight

Degree of unsaturation

Acid strength

Purity

14. The IUPAC name of the following is

Cannot be named

1-butanol-2-ene

1-butenol

2-butene-1-ol

15. Picric acid is formed by the reaction of nitric acid with

Benzene

Phenoxideion

Carbolic acid

Toluene

16. Which one is the derivative of water?

Phenol

All

Alcohol

Ether

17. The compound which react readily with Lucas reagent to give oily layer immediately

2-methyl – 2-propanol

All

2-methyl – 2-butanol

2-methyl – 2-pentanol

18. Methyl alcohol is not used

As a substitute for petrol

As a solvent

As an anti-freezing agent

For denaturing of ethyl alcohol

19. Which is used as an antifreeze?

Water

Methanol

Glycol

Ethyl alcohol

20. O – H bond of alcohols break when attacking group is an

O-carrier

Neucleophile

Electrophile

Non can be predicted

21. Which is not true about ethers

They are inert

They are polar

They have hydrogen bonding in them

They can act as nucleophiles

22. Alcohols reacts with Grignard reagent to form

Alkanes

All

Alkynes

Alkenes

23. When phenol is reduced in the presence of Zinc dust, we get

Cyclohexane

Benzyl alcohol

Benzene

Cyclohexane

24. Treatment of a secondary alcohol with a suitable oxidizing (K₂Cr₂O₇) results in the formation of

Ketone

Alkyl halide

Ether

Aldehyde

25. According to Lewis concept ethers behave as

Base

None of these

Acid as well as a base

Acid

Page 2 of 3

26. Phenol is heated with CCl₄ and alkaline KOH when salicylic acid is produced. The reaction is known as

Friedel Craft reaction

Rosenmund’s reaction

Sommelet reaction

Riemer-Tiemann’s reaction

27. Na reacts with phenol to produce

Benzene

CO gas

CO₂ gas

H₂ gas

28. Which compound is more soluble is water?

n – Hexanol

CH₅OH

CH₃ – O – CH₃

C₆H₅OH

29. Which of the following is used as aesthetic?

Phenol

Diethyl ether

Alcohol

Dimethyl ether

30. Which catalyst is used in the industrial preparation of methanol?

SiO₂ + Al₂ O₃

ZnO + Cr₂ O₃

Al₂O₃/Fe₂O₃

SiO₂ + Cr₂ O₃

31. Hydrolytic conversion of sucrose into glucose and fructose is known as

Inhibition

Inversion

Induction

Insertion

32. Sponification is the hydrolysis of fats or oil with an

Enzyme

Alkali

Base

Metallic ion

33. Which of the following groups will increase the acidity of phenol?

-CN

All

-NO₂

-X (halogens)

34. Alcohol fermentation is brought about by the action of

CO₂

Yeast

O₂

Inverter

35. Primary and secondary alcohols on action of red hot copper give

Only ketones

Ketones and aldehydes respectively

Aldehydes and ketones respectively

Only aldehydes

36. Absolute alcohol cannot be prepared by distillation only 95% can be obtained because 95% alcohol + 5% moisture behave as

Zeotropic mixture

Pure mixture

Pure compound

Azeotropic mixture

37. Salol is prepared from

Salicylic acid and methyl alcohol

Both

None

Salicylic acid and phenol

38. Diethyl ether is obtained by William son’s synthesis using

Methanol + Mg + CH₃Br

Ethanol + Na + C₂H₅Br

Methanol + Na + CH₃Br

Ethanol + Mg + C₂H₅Br

39. m.P. of phenol is

141C²

43C²

41C²

42C²

40. Which of the following cannot be produced by acidic dehydration of alcohols?

Alkene

Ethers

Alkyl Hydrogen sulphate

Aldehyde

41. Which enzyme is not involved in fermentation of starch?

Invertase

Zymase

Urease

Distance

42. One gram of Carbohydrate yields energy

4 Kcal

10 Kcal

100 Kcal

9 Kcal

43. Rectified spirit contains concept others behave as

Acid

Base

Acid and base

None of these

44. Deposition of Cholesterol in arteries in responsible for

Diabetes

Hepatitis

Heart attack

Cancer

45. Which compound shows hydrogen bonding?

C₂H₅OH

C₂H₅Cl

CH₃ – O – CH₃

C₂H₆

46. Rancidefication of fats and oils is due to

Hydrogenation reaction

Hydrolysis reaction

Both a and b

Oxidation reaction

47. Ethanol containing some methanol is called

Rectified spirit

Absolute spirit

Methylated spirit

Power alcohol

48. Which one of the following is known as wood spirit?

Methyl alcohol

Propyl alcohol

Ethyl alcohol

Butyl alcohol

49. Scientific study of fermentation was first made by

Pasteur

Biot

Buchner

Liebig

50. As ester if prepared by the reaction of

Two alcohols

Carboxylic acid and alcohol

Ketone and alcohol

Aldehyde and alcohol

Page 3 of 3

51. Which one is primary alcohol?

2, 3-Dimethylhexane-4-ol

Propan-2-ol

Buten-2-ol

Butaon-1-ol

52. Sodium phenoxide reacts with CO₂ at 400 K and 4.7 atm pressure to give

Sodium salicylate

Salicyl aldehyde

Catechol

Benzoic acid

53. Bakelite is a polymer obtained from two monomers

Phenol and methanol

Phenol and acetone

Phenol and ethanol

Phenol and methanol

54. The strongest acid among the following aromatic compound is

Para-chlorophenol

Para-nitrophenol

Ortho-nitrophenol

Meta-nitrophenol

55. Ethanol can be poisoned by adding small amount of ____________ in it

All

Pyridine

Methanol

Acetone

56. Alcohols of low molecular weight are

Soluble in water

Insoluble in water

Soluble in water on heating

Insoluble in all solvents

57. When alcohols are treated with conc, H₂SO₄, it undergoes?

Dehydrogenation

Dehydration

Elimination

Dehydrohalogenation

58. On heating glycerol with conc. Sulphuric acid a compound with unpleasant odour is obtained. The compound is:

Prop-2-enal

Methyl alcohol

Formic acid

Glycerol sulphate

59. Benzene and phenol can be distinguished by

Litmus paper

Odour

Bromination

Colour

60. When alcohol is heated with Hl, it gives

Ethane

Methane

Ethyliodide

Ethene

61. Starch gives ________ colour with codine

Blue

Red

Green

Yellow

62. Mild oxidation of glycerol with H₂O₂/FeSO₄ gives

None

Glycerose

Glyceraldehyde

Dihydroxy acetone

63. Which compound contains OH in their molecule?

Alcohol and phenol

Ehtar

Ether

Phenol

64. Ethyl alcohol is industrially prepared from ethylene by

Fermentation

Catalytic reduction

Permanganate oxidation

Absorbing in H₂SO₄ followed by hydrolysis

65. Dehydration of glycerol give

Benzene

Propene

Acrolein

Propane

66. Alcohol reacts with halogen acid to produce

Ketones

Alkyl halides

Alkanes

Aldehyetes

67. Ethanol is converted into ethanoic acid by

Hydration

Hydrogenation

Fermentation

Oxidation reaction

68. Phenol is more readily soluble in

Dil. HCl

NaOH sol

Sodium bicarbonate solution

Both NaOH and HCl

69. Ethanol can be converted into ethanoic acid by

Hydrogenation

Hydration

Oxidation

Fermentation

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Maan AliLast Updated: April 19, 2025

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8 Comments

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May 19, 2022 at 5:37 am

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November 8, 2016 at 12:38 am

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March 28, 2016 at 4:17 am

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ECAT Chemistry Alcohols Phenols And Ethers Test Online

Chemistry Alcohols Phenols And Ethers MCQS Online Test

ECAT Chemistry Alcohols Phenols And Ethers Chapter Online Test

ECAT Chemistry Alcohols Phenols And Ethers Test

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