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

Aldehydes and ketones respectively

Ketones and aldehydes respectively

Only aldehydes

Only ketones

2. Ethanol can be converted into ethanoic acid by

Hydration

Oxidation

Fermentation

Hydrogenation

3. Which compound contains OH in their molecule?

Alcohol and phenol

Phenol

Ether

Ehtar

4. Ethyl alcohol on oxidation with K₂Cr₂O₇ gives

Formaldehyde

Acetaldehyde

Formic acid

Acetic acid

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

Zymase

Urease

Invertase

Distance

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

Methanol

All

Pyridine

Acetone

7. Which is used as an antifreeze?

Water

Methanol

Ethyl alcohol

Glycol

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

Rosenmund’s reaction

Friedel Craft reaction

Riemer-Tiemann’s reaction

Sommelet reaction

9. To convert glucose to ethanol which enzyme is active

Maltase

Zymase

Diastase

Invertase

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

Benzyl alcohol

Benzene

Cyclohexane

11. Grignard reagent on reaction with a ketone forms

Primary alcohol

Tertiary alcohol

Secondary alcohol

Carboxylic acid

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

2-methyl – 2-butanol

All

2-methyl – 2-propanol

2-methyl – 2-pentanol

13. Bakelite is a polymer obtained from two monomers

Phenol and acetone

Phenol and methanol

Phenol and ethanol

Phenol and methanol

14. Aniline is a derivative of

Aromatic hydrocarbon

Alkene

Alkane

Alicyclic hydrocarbon

15. 1 alcohols are oxidized to give

Carboxylic acids

Aldehydes

None

Ketones

16. IUPAC name of diethyl ether is

Ethyox ethane

Ethyox methane

Methoxy

Methoxy ethyne

17. Deposition of Cholesterol in arteries in responsible for

Diabetes

Heart attack

Cancer

Hepatitis

18. Methyl alcohol is not used

As a solvent

As a substitute for petrol

As an anti-freezing agent

For denaturing of ethyl alcohol

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

Alkyl halide

Ether

Aldehyde

Ketone

20. Which is not true about ethers

They are polar

They have hydrogen bonding in them

They are inert

They can act as nucleophiles

21. Scientific study of fermentation was first made by

Buchner

Liebig

Biot

Pasteur

22. Ethanol is converted into ethanoic acid by

Fermentation

Hydration

Oxidation reaction

Hydrogenation

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

Formic acid

Methyl alcohol

Prop-2-enal

Glycerol sulphate

24. When alcohol is heated with Hl, it gives

Ethane

Ethyliodide

Ethene

Methane

25. The optimum temperature for fermentation process is

25-35C²

100C²

35-45C²

0-35C²

Page 2 of 3

26. Alcohol reacts with halogen acid to produce

Alkanes

Alkyl halides

Aldehyetes

Ketones

27. Alcohol fermentation is brought about by the action of

CO₂

Yeast

Inverter

O₂

28. The strongest acid among the following aromatic compound is

Para-nitrophenol

Meta-nitrophenol

Para-chlorophenol

Ortho-nitrophenol

29. Alcohols of low molecular weight are

Soluble in water on heating

Insoluble in all solvents

Soluble in water

Insoluble in water

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

Phenol

Acetone

Ethanol

Acetic acid

31. Methanol is manufactured by

Distillation

Both a and b

Fermentation

None of these

32. Starch gives ________ colour with codine

Green

Yellow

Red

Blue

33. Which one is primary alcohol?

Propan-2-ol

Butaon-1-ol

2, 3-Dimethylhexane-4-ol

Buten-2-ol

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

Dehydration

Elimination

Dehydrogenation

Dehydrohalogenation

35. m.P. of phenol is

141C²

41C²

43C²

42C²

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

All

-CN

-X (halogens)

-NO₂

37. Phenol is more readily soluble in

Sodium bicarbonate solution

Both NaOH and HCl

Dil. HCl

NaOH sol

38. Alcohols are miscible in water due to

They are acidic in character

Hydrogen bonding

They ionize in water

Presence of alkyl group

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

Al₂O₃/Fe₂O₃

ZnO + Cr₂ O₃

SiO₂ + Cr₂ O₃

SiO₂ + Al₂ O₃

40. Which of the following is used as aesthetic?

Diethyl ether

Phenol

Dimethyl ether

Alcohol

41. Benzene and phenol can be distinguished by

Odour

Bromination

Colour

Litmus paper

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

Zeotropic mixture

Pure compound

Pure mixture

Azeotropic mixture

43. Ethyl alcohol is industrially prepared from ethylene by

Catalytic reduction

Absorbing in H₂SO₄ followed by hydrolysis

Fermentation

Permanganate oxidation

44. According to Lewis concept ethers behave as

Acid

Acid as well as a base

Base

None of these

45. One gram of Carbohydrate yields energy

9 Kcal

10 Kcal

100 Kcal

4 Kcal

46. Ethanol containing some methanol is called

Rectified spirit

Power alcohol

Methylated spirit

Absolute spirit

47. Rectified spirit contains concept others behave as

Base

Acid

None of these

Acid and base

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

Neucleophile

Non can be predicted

Electrophile

O-carrier

49. Salol is prepared from

Salicylic acid and phenol

None

Salicylic acid and methyl alcohol

Both

50. Maximum number of active hydrogens are present in

Acetic acid

Methanol

Glycerol

Methane

Page 3 of 3

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

Aldehyde

Alkene

Ethers

Alkyl Hydrogen sulphate

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

Propyl alcohol

Ethyl alcohol

Methyl alcohol

Butyl alcohol

53. Mild oxidation of glycerol with H₂O₂/FeSO₄ gives

None

Dihydroxy acetone

Glyceraldehyde

Glycerose

54. Iodine number of an oil indicates its

Acid strength

Purity

Degree of unsaturation

Molecular weight

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

Methanol + Mg + CH₃Br

Ethanol + Mg + C₂H₅Br

Ethanol + Na + C₂H₅Br

Methanol + Na + CH₃Br

56. As ester if prepared by the reaction of

Carboxylic acid and alcohol

Two alcohols

Aldehyde and alcohol

Ketone and alcohol

57. Which compound is more soluble is water?

C₆H₅OH

CH₅OH

CH₃ – O – CH₃

n – Hexanol

58. Alcohols reacts with Grignard reagent to form

All

Alkynes

Alkenes

Alkanes

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

Benzoic acid

Catechol

Sodium salicylate

Salicyl aldehyde

60. Rancidefication of fats and oils is due to

Both a and b

Oxidation reaction

Hydrogenation reaction

Hydrolysis reaction

61. Which one is the derivative of water?

Ether

All

Alcohol

Phenol

62. The IUPAC name of the following is

2-butene-1-ol

1-butenol

Cannot be named

1-butanol-2-ene

63. Benzyl alcohol has a chemical formula

C₆H₅CH₂OH

C₆H₅OH

None

C₆H₄CH₂OH

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

Phenoxideion

Carbolic acid

Toluene

Benzene

65. Which compound shows hydrogen bonding?

CH₃ – O – CH₃

C₂H₆

C₂H₅Cl

C₂H₅OH

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

Base

Metallic ion

Alkali

Enzyme

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

Inhibition

Insertion

Inversion

Induction

68. Na reacts with phenol to produce

CO₂ gas

CO gas

H₂ gas

Benzene

69. Dehydration of glycerol give

Benzene

Propane

Propene

Acrolein

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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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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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