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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

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Page 1 of 3

1. Methyl alcohol is not used

As a solvent

As a substitute for petrol

As an anti-freezing agent

For denaturing of ethyl alcohol

2. One gram of Carbohydrate yields energy

4 Kcal

100 Kcal

10 Kcal

9 Kcal

3. To convert glucose to ethanol which enzyme is active

Zymase

Diastase

Maltase

Invertase

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

Sodium salicylate

Benzoic acid

Catechol

Salicyl aldehyde

5. Which of the following is used as aesthetic?

Phenol

Diethyl ether

Alcohol

Dimethyl ether

6. Which one is the derivative of water?

Ether

All

Phenol

Alcohol

7. The optimum temperature for fermentation process is

25-35C²

35-45C²

0-35C²

100C²

8. Which is used as an antifreeze?

Ethyl alcohol

Glycol

Water

Methanol

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

Acetone

Phenol

Acetic acid

Ethanol

10. Rectified spirit contains concept others behave as

Acid

None of these

Acid and base

Base

11. Deposition of Cholesterol in arteries in responsible for

Heart attack

Diabetes

Cancer

Hepatitis

12. IUPAC name of diethyl ether is

Methoxy

Ethyox ethane

Ethyox methane

Methoxy ethyne

13. Which one is primary alcohol?

Butaon-1-ol

Propan-2-ol

Buten-2-ol

2, 3-Dimethylhexane-4-ol

14. Alcohols are miscible in water due to

They are acidic in character

They ionize in water

Presence of alkyl group

Hydrogen bonding

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

All

2-methyl – 2-butanol

2-methyl – 2-propanol

2-methyl – 2-pentanol

16. Bakelite is a polymer obtained from two monomers

Phenol and methanol

Phenol and acetone

Phenol and ethanol

Phenol and methanol

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

Aldehyde

Ether

Alkyl halide

Ketone

18. The strongest acid among the following aromatic compound is

Meta-nitrophenol

Ortho-nitrophenol

Para-chlorophenol

Para-nitrophenol

19. Scientific study of fermentation was first made by

Liebig

Pasteur

Buchner

Biot

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

Only aldehydes

Ketones and aldehydes respectively

Aldehydes and ketones respectively

Only ketones

21. Aniline is a derivative of

Alkane

Aromatic hydrocarbon

Alicyclic hydrocarbon

Alkene

22. Ethyl alcohol is industrially prepared from ethylene by

Absorbing in H₂SO₄ followed by hydrolysis

Catalytic reduction

Permanganate oxidation

Fermentation

23. Benzene and phenol can be distinguished by

Litmus paper

Bromination

Colour

Odour

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

Electrophile

Neucleophile

Non can be predicted

O-carrier

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

Al₂O₃/Fe₂O₃

SiO₂ + Al₂ O₃

SiO₂ + Cr₂ O₃

ZnO + Cr₂ O₃

Page 2 of 3

26. Alcohols of low molecular weight are

Insoluble in all solvents

Insoluble in water

Soluble in water on heating

Soluble in water

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

Metallic ion

Enzyme

Base

Alkali

28. Methanol is manufactured by

Distillation

Fermentation

None of these

Both a and b

29. Iodine number of an oil indicates its

Purity

Molecular weight

Acid strength

Degree of unsaturation

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

Butyl alcohol

Propyl alcohol

Methyl alcohol

Ethyl alcohol

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

Methanol + Na + CH₃Br

Methanol + Mg + CH₃Br

Ethanol + Na + C₂H₅Br

Ethanol + Mg + C₂H₅Br

32. Which is not true about ethers

They are inert

They can act as nucleophiles

They are polar

They have hydrogen bonding in them

33. 1 alcohols are oxidized to give

None

Aldehydes

Ketones

Carboxylic acids

34. Alcohol fermentation is brought about by the action of

O₂

Inverter

CO₂

Yeast

35. As ester if prepared by the reaction of

Carboxylic acid and alcohol

Two alcohols

Aldehyde and alcohol

Ketone and alcohol

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

Benzene

Cyclohexane

Benzyl alcohol

Cyclohexane

37. Rancidefication of fats and oils is due to

Oxidation reaction

Hydrolysis reaction

Both a and b

Hydrogenation reaction

38. Starch gives ________ colour with codine

Blue

Green

Red

Yellow

39. According to Lewis concept ethers behave as

Base

Acid

None of these

Acid as well as a base

40. Ethanol is converted into ethanoic acid by

Hydrogenation

Hydration

Oxidation reaction

Fermentation

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

Elimination

Dehydration

Dehydrohalogenation

Dehydrogenation

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

Friedel Craft reaction

Rosenmund’s reaction

Riemer-Tiemann’s reaction

Sommelet reaction

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

Insertion

Induction

Inversion

Inhibition

44. Dehydration of glycerol give

Acrolein

Propene

Benzene

Propane

45. When alcohol is heated with Hl, it gives

Ethene

Ethyliodide

Ethane

Methane

46. Mild oxidation of glycerol with H₂O₂/FeSO₄ gives

None

Glyceraldehyde

Dihydroxy acetone

Glycerose

47. Alcohols reacts with Grignard reagent to form

Alkenes

All

Alkynes

Alkanes

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

Azeotropic mixture

Pure mixture

Pure compound

Zeotropic mixture

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

-X (halogens)

-CN

All

-NO₂

50. Grignard reagent on reaction with a ketone forms

Carboxylic acid

Tertiary alcohol

Primary alcohol

Secondary alcohol

Page 3 of 3

51. Ethanol can be converted into ethanoic acid by

Hydration

Fermentation

Hydrogenation

Oxidation

52. Maximum number of active hydrogens are present in

Acetic acid

Methanol

Glycerol

Methane

53. Ethyl alcohol on oxidation with K₂Cr₂O₇ gives

Acetaldehyde

Formic acid

Acetic acid

Formaldehyde

54. Benzyl alcohol has a chemical formula

C₆H₄CH₂OH

None

C₆H₅CH₂OH

C₆H₅OH

55. The IUPAC name of the following is

1-butanol-2-ene

1-butenol

2-butene-1-ol

Cannot be named

56. Salol is prepared from

Both

Salicylic acid and methyl alcohol

None

Salicylic acid and phenol

57. m.P. of phenol is

41C²

43C²

141C²

42C²

58. Which compound contains OH in their molecule?

Ehtar

Alcohol and phenol

Phenol

Ether

59. Which compound shows hydrogen bonding?

C₂H₆

C₂H₅Cl

C₂H₅OH

CH₃ – O – CH₃

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

Acetone

Methanol

All

Pyridine

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

Ethers

Alkyl Hydrogen sulphate

Aldehyde

Alkene

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

Formic acid

Glycerol sulphate

Methyl alcohol

Prop-2-enal

63. Phenol is more readily soluble in

Sodium bicarbonate solution

Both NaOH and HCl

Dil. HCl

NaOH sol

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

Urease

Zymase

Distance

Invertase

65. Na reacts with phenol to produce

CO₂ gas

CO gas

Benzene

H₂ gas

66. Ethanol containing some methanol is called

Rectified spirit

Methylated spirit

Absolute spirit

Power alcohol

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

Phenoxideion

Carbolic acid

Toluene

Benzene

68. Alcohol reacts with halogen acid to produce

Alkanes

Alkyl halides

Ketones

Aldehyetes

69. Which compound is more soluble is water?

CH₅OH

n – Hexanol

CH₃ – O – CH₃

C₆H₅OH

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Maan AliLast Updated: April 19, 2025

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8 Comments

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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

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