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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. Dehydration of glycerol give

Propene

Benzene

Propane

Acrolein

2. Alcohols reacts with Grignard reagent to form

Alkynes

Alkenes

Alkanes

All

3. Which is used as an antifreeze?

Glycol

Water

Methanol

Ethyl alcohol

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

Elimination

Dehydrogenation

Dehydrohalogenation

Dehydration

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

Glycerol sulphate

Prop-2-enal

Methyl alcohol

Formic acid

6. Ethanol containing some methanol is called

Power alcohol

Rectified spirit

Absolute spirit

Methylated spirit

7. Bakelite is a polymer obtained from two monomers

Phenol and ethanol

Phenol and methanol

Phenol and acetone

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

Metallic ion

Alkali

Enzyme

Base

9. As ester if prepared by the reaction of

Carboxylic acid and alcohol

Ketone and alcohol

Two alcohols

Aldehyde and alcohol

10. Which is not true about ethers

They can act as nucleophiles

They have hydrogen bonding in them

They are inert

They are polar

11. Rancidefication of fats and oils is due to

Both a and b

Oxidation reaction

Hydrogenation reaction

Hydrolysis reaction

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

Neucleophile

Non can be predicted

Electrophile

O-carrier

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

Rosenmund’s reaction

Sommelet reaction

Friedel Craft reaction

Riemer-Tiemann’s reaction

14. Which compound shows hydrogen bonding?

C₂H₅OH

C₂H₅Cl

CH₃ – O – CH₃

C₂H₆

15. Which compound contains OH in their molecule?

Ehtar

Phenol

Alcohol and phenol

Ether

16. Scientific study of fermentation was first made by

Pasteur

Biot

Liebig

Buchner

17. Benzene and phenol can be distinguished by

Odour

Bromination

Litmus paper

Colour

18. m.P. of phenol is

43C²

42C²

141C²

41C²

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

Propyl alcohol

Ethyl alcohol

Methyl alcohol

Butyl alcohol

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

Invertase

Urease

Distance

Zymase

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

Phenol

Acetic acid

Ethanol

Acetone

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

Only aldehydes

Aldehydes and ketones respectively

Ketones and aldehydes respectively

Only ketones

23. The strongest acid among the following aromatic compound is

Para-chlorophenol

Para-nitrophenol

Meta-nitrophenol

Ortho-nitrophenol

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

Toluene

Benzene

Carbolic acid

Phenoxideion

25. Iodine number of an oil indicates its

Molecular weight

Purity

Degree of unsaturation

Acid strength

Page 2 of 3

26. Starch gives ________ colour with codine

Blue

Red

Green

Yellow

27. Aniline is a derivative of

Alicyclic hydrocarbon

Aromatic hydrocarbon

Alkene

Alkane

28. Salol is prepared from

Salicylic acid and phenol

Salicylic acid and methyl alcohol

Both

None

29. Phenol is more readily soluble in

NaOH sol

Sodium bicarbonate solution

Dil. HCl

Both NaOH and HCl

30. Grignard reagent on reaction with a ketone forms

Carboxylic acid

Tertiary alcohol

Secondary alcohol

Primary alcohol

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

2-methyl – 2-pentanol

2-methyl – 2-butanol

2-methyl – 2-propanol

All

32. Alcohols of low molecular weight are

Insoluble in water

Soluble in water on heating

Insoluble in all solvents

Soluble in water

33. Which one is primary alcohol?

Butaon-1-ol

Buten-2-ol

2, 3-Dimethylhexane-4-ol

Propan-2-ol

34. Ethyl alcohol is industrially prepared from ethylene by

Catalytic reduction

Absorbing in H₂SO₄ followed by hydrolysis

Permanganate oxidation

Fermentation

35. The IUPAC name of the following is

1-butenol

1-butanol-2-ene

2-butene-1-ol

Cannot be named

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

Al₂O₃/Fe₂O₃

ZnO + Cr₂ O₃

SiO₂ + Cr₂ O₃

SiO₂ + Al₂ O₃

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

Benzene

Cyclohexane

Benzyl alcohol

38. Maximum number of active hydrogens are present in

Methane

Glycerol

Acetic acid

Methanol

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

Pure compound

Pure mixture

Zeotropic mixture

Azeotropic mixture

40. To convert glucose to ethanol which enzyme is active

Diastase

Zymase

Maltase

Invertase

41. 1 alcohols are oxidized to give

Carboxylic acids

Aldehydes

Ketones

None

42. Alcohols are miscible in water due to

Presence of alkyl group

They are acidic in character

Hydrogen bonding

They ionize in water

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

Sodium salicylate

Salicyl aldehyde

Benzoic acid

Catechol

44. Rectified spirit contains concept others behave as

Base

Acid and base

Acid

None of these

45. IUPAC name of diethyl ether is

Methoxy

Methoxy ethyne

Ethyox ethane

Ethyox methane

46. Which of the following is used as aesthetic?

Dimethyl ether

Alcohol

Phenol

Diethyl ether

47. One gram of Carbohydrate yields energy

100 Kcal

9 Kcal

10 Kcal

4 Kcal

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

Methanol + Mg + CH₃Br

Ethanol + Mg + C₂H₅Br

Methanol + Na + CH₃Br

Ethanol + Na + C₂H₅Br

49. Which one is the derivative of water?

Alcohol

Ether

All

Phenol

50. Na reacts with phenol to produce

CO gas

Benzene

H₂ gas

CO₂ gas

Page 3 of 3

51. When alcohol is heated with Hl, it gives

Ethene

Ethyliodide

Ethane

Methane

52. Ethanol can be converted into ethanoic acid by

Hydrogenation

Oxidation

Fermentation

Hydration

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

Pyridine

Methanol

All

Acetone

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

Ketone

Ether

Alkyl halide

Aldehyde

55. Ethanol is converted into ethanoic acid by

Oxidation reaction

Hydrogenation

Hydration

Fermentation

56. Deposition of Cholesterol in arteries in responsible for

Diabetes

Cancer

Hepatitis

Heart attack

57. According to Lewis concept ethers behave as

Acid as well as a base

Acid

Base

None of these

58. Which compound is more soluble is water?

CH₃ – O – CH₃

C₆H₅OH

CH₅OH

n – Hexanol

59. Ethyl alcohol on oxidation with K₂Cr₂O₇ gives

Acetic acid

Formic acid

Formaldehyde

Acetaldehyde

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

Ethers

Alkyl Hydrogen sulphate

Alkene

Aldehyde

61. Mild oxidation of glycerol with H₂O₂/FeSO₄ gives

Glycerose

Dihydroxy acetone

None

Glyceraldehyde

62. Alcohol fermentation is brought about by the action of

O₂

Yeast

CO₂

Inverter

63. Methyl alcohol is not used

As an anti-freezing agent

For denaturing of ethyl alcohol

As a solvent

As a substitute for petrol

64. Benzyl alcohol has a chemical formula

C₆H₅CH₂OH

C₆H₅OH

C₆H₄CH₂OH

None

65. Methanol is manufactured by

Distillation

None of these

Both a and b

Fermentation

66. Alcohol reacts with halogen acid to produce

Alkanes

Alkyl halides

Ketones

Aldehyetes

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

-CN

-X (halogens)

-NO₂

All

68. The optimum temperature for fermentation process is

100C²

0-35C²

35-45C²

25-35C²

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

Induction

Insertion

Inhibition

Inversion

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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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