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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.
Test Helpful For:	ECAT Entry Test Chemistry Online Test Interview Questions about Chemisttry All Universities Entrance Test Recruitments Tests

ECAT Chemistry Alcohols Phenols And Ethers Test

Page 1 of 3

1. One gram of Carbohydrate yields energy

4 Kcal

10 Kcal

100 Kcal

9 Kcal

2. Na reacts with phenol to produce

CO gas

CO₂ gas

H₂ gas

Benzene

3. The strongest acid among the following aromatic compound is

Para-nitrophenol

Para-chlorophenol

Ortho-nitrophenol

Meta-nitrophenol

4. To convert glucose to ethanol which enzyme is active

Zymase

Diastase

Invertase

Maltase

5. Rectified spirit contains concept others behave as

Base

Acid

Acid and base

None of these

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

Methyl alcohol

Propyl alcohol

Butyl alcohol

Ethyl alcohol

7. According to Lewis concept ethers behave as

Base

Acid as well as a base

Acid

None of these

8. Ethyl alcohol is industrially prepared from ethylene by

Permanganate oxidation

Fermentation

Absorbing in H₂SO₄ followed by hydrolysis

Catalytic reduction

9. Which one is the derivative of water?

All

Alcohol

Phenol

Ether

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

Dehydrogenation

Dehydrohalogenation

Elimination

Dehydration

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

-CN

-NO₂

All

-X (halogens)

12. Which is not true about ethers

They are polar

They can act as nucleophiles

They have hydrogen bonding in them

They are inert

13. Which compound contains OH in their molecule?

Ehtar

Alcohol and phenol

Ether

Phenol

14. The optimum temperature for fermentation process is

0-35C²

100C²

35-45C²

25-35C²

15. When alcohol is heated with Hl, it gives

Ethane

Methane

Ethene

Ethyliodide

16. Alcohol fermentation is brought about by the action of

O₂

CO₂

Yeast

Inverter

17. Methanol is manufactured by

Fermentation

None of these

Both a and b

Distillation

18. Ethanol is converted into ethanoic acid by

Fermentation

Hydration

Oxidation reaction

Hydrogenation

19. Phenol is more readily soluble in

Dil. HCl

Sodium bicarbonate solution

NaOH sol

Both NaOH and HCl

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

Zeotropic mixture

Azeotropic mixture

Pure compound

Pure mixture

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

Cyclohexane

Benzene

Benzyl alcohol

22. Which one is primary alcohol?

Butaon-1-ol

2, 3-Dimethylhexane-4-ol

Buten-2-ol

Propan-2-ol

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

Prop-2-enal

Formic acid

Glycerol sulphate

Methyl alcohol

24. Ethyl alcohol on oxidation with K₂Cr₂O₇ gives

Acetaldehyde

Formaldehyde

Formic acid

Acetic acid

25. Aniline is a derivative of

Alicyclic hydrocarbon

Aromatic hydrocarbon

Alkene

Alkane

Page 2 of 3

26. Alcohols of low molecular weight are

Soluble in water

Insoluble in all solvents

Insoluble in water

Soluble in water on heating

27. Bakelite is a polymer obtained from two monomers

Phenol and methanol

Phenol and ethanol

Phenol and methanol

Phenol and acetone

28. As ester if prepared by the reaction of

Ketone and alcohol

Carboxylic acid and alcohol

Aldehyde and alcohol

Two alcohols

29. m.P. of phenol is

43C²

141C²

42C²

41C²

30. Which is used as an antifreeze?

Methanol

Water

Ethyl alcohol

Glycol

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

Neucleophile

Non can be predicted

Electrophile

O-carrier

32. Iodine number of an oil indicates its

Degree of unsaturation

Molecular weight

Purity

Acid strength

33. Starch gives ________ colour with codine

Yellow

Green

Blue

Red

34. Alcohols reacts with Grignard reagent to form

Alkanes

Alkynes

Alkenes

All

35. Which compound shows hydrogen bonding?

C₂H₅OH

C₂H₆

CH₃ – O – CH₃

C₂H₅Cl

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

SiO₂ + Al₂ O₃

Al₂O₃/Fe₂O₃

ZnO + Cr₂ O₃

SiO₂ + Cr₂ O₃

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

All

Pyridine

Acetone

Methanol

38. Maximum number of active hydrogens are present in

Methane

Glycerol

Methanol

Acetic acid

39. Methyl alcohol is not used

As a substitute for petrol

As an anti-freezing agent

For denaturing of ethyl alcohol

As a solvent

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

Ethers

Alkyl Hydrogen sulphate

Alkene

Aldehyde

41. Which compound is more soluble is water?

n – Hexanol

CH₅OH

C₆H₅OH

CH₃ – O – CH₃

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

Only ketones

Aldehydes and ketones respectively

Ketones and aldehydes respectively

Only aldehydes

43. Mild oxidation of glycerol with H₂O₂/FeSO₄ gives

Glycerose

None

Dihydroxy acetone

Glyceraldehyde

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

Methanol + Mg + CH₃Br

Methanol + Na + CH₃Br

Ethanol + Mg + C₂H₅Br

Ethanol + Na + C₂H₅Br

45. Alcohol reacts with halogen acid to produce

Ketones

Aldehyetes

Alkanes

Alkyl halides

46. Deposition of Cholesterol in arteries in responsible for

Hepatitis

Cancer

Heart attack

Diabetes

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

Invertase

Zymase

Urease

Distance

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

2-methyl – 2-pentanol

2-methyl – 2-propanol

2-methyl – 2-butanol

All

49. Dehydration of glycerol give

Acrolein

Benzene

Propane

Propene

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

Sommelet reaction

Rosenmund’s reaction

Riemer-Tiemann’s reaction

Friedel Craft reaction

Page 3 of 3

51. Ethanol containing some methanol is called

Power alcohol

Methylated spirit

Rectified spirit

Absolute spirit

52. Which of the following is used as aesthetic?

Phenol

Diethyl ether

Alcohol

Dimethyl ether

53. Ethanol can be converted into ethanoic acid by

Fermentation

Hydrogenation

Oxidation

Hydration

54. Rancidefication of fats and oils is due to

Hydrogenation reaction

Both a and b

Hydrolysis reaction

Oxidation reaction

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

Benzoic acid

Sodium salicylate

Catechol

Salicyl aldehyde

56. Alcohols are miscible in water due to

They are acidic in character

Presence of alkyl group

Hydrogen bonding

They ionize in water

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

Inversion

Induction

Inhibition

Insertion

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

Acetone

Ethanol

Acetic acid

Phenol

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

Alkali

Metallic ion

Enzyme

Base

60. Salol is prepared from

None

Both

Salicylic acid and methyl alcohol

Salicylic acid and phenol

61. Benzene and phenol can be distinguished by

Odour

Bromination

Litmus paper

Colour

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

Ether

Aldehyde

Alkyl halide

Ketone

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

Benzene

Toluene

Phenoxideion

Carbolic acid

64. Benzyl alcohol has a chemical formula

None

C₆H₄CH₂OH

C₆H₅CH₂OH

C₆H₅OH

65. The IUPAC name of the following is

1-butanol-2-ene

2-butene-1-ol

Cannot be named

1-butenol

66. 1 alcohols are oxidized to give

Ketones

None

Carboxylic acids

Aldehydes

67. Grignard reagent on reaction with a ketone forms

Primary alcohol

Secondary alcohol

Carboxylic acid

Tertiary alcohol

68. Scientific study of fermentation was first made by

Biot

Buchner

Pasteur

Liebig

69. IUPAC name of diethyl ether is

Methoxy ethyne

Methoxy

Ethyox ethane

Ethyox methane

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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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May 19, 2022 at 5:35 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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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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