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MDCAT Chemistry Alcohols And Phenols Test Online

Mustansar KhanLast Updated: June 16, 2025

Chemistry Alcohols And Phenols MCQS Online Test

MDCAT Chemistry Alcohols And Phenols Chapter Online Test

Total Questions:	98
Time Allowed:	40 Minutes
Total Marks:	98
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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MDCAT Chemistry Alcohols And Phenols Test

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Page 1 of 4

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1. Which of the following is not a method to prepare alcohols?

Reduction of carbonyl compounds

Nitration of alkanes

Hydroboration

Hydrolysis of alkyl halides

2. Which alcohol gives a positive iodoform test?

Propanol

Benzyl alcohol

Methanol

Ethanol

3. Which reaction forms phenol from benzene?

Sulfonation

Friedel-Crafts alkylation

Nitration

Dow’s process (chlorobenzene + NaOH)

4. Which of the following gives a neutral solution in water?

Ethanol

Phenol

HCl

Acetic acid

5. Which reagent converts alcohols into alkyl halides?

KOH

HCl/ZnCl₂

Na₂CO₃

H₂O

6. Which of the following is an example of a dihydric alcohol?

Ethanol

Ethylene glycol

Glycerol

Methanol

7. The –OH group in phenol makes it:

Electrically neutral

Electron-donating

Non-polar

Electron-withdrawing

8. Which alcohol cannot be oxidized to a carbonyl compound?

Tert-butanol

Ethanol

Methanol

2-propanol

9. Which of the following best distinguishes alcohols from phenols?

Phenols form ketones

Phenols give violet color with FeCl₃

Alcohols have higher boiling point

Alcohols are colored

10. What happens to alcohol in the presence of concentrated H₂SO₄ and heat?

Oxidation

Dehydration to form alkene

Halogenation

Esterification

11. Which acid is used in esterification of alcohols?

Acetic acid

Hydrochloric acid

Nitric acid

Sulfuric acid

12. Which of the following alcohols is miscible in water in all proportions?

Methanol

Pentanol

Propanol

Butanol

13. Which compound is more acidic?

Propanol

Methanol

Phenol

Ethanol

14. Which of the following is the correct IUPAC name for CH₃CH₂OH?

Methanol

Ethanol

Ethyl alcohol

Propanol

15. Which alcohol is commonly used in hand sanitizers?

Methanol

Propan-1-ol

Ethanol

Butanol

16. What is the main difference between alcohol and phenol?

Phenols have –OH directly bonded to benzene

Alcohols have aromatic rings

Alcohols contain carbonyl groups

Phenols are saturated

17. Which of the following will give a fruity smell on reaction with a carboxylic acid?

Butanol

Phenol

Ethanol

Methanol

18. Which of the following alcohols is miscible in water in all proportions?

Pentanol

Butanol

Propanol

Methanol

19. Which of the following best distinguishes alcohols from phenols?

Phenols form ketones

Phenols give violet color with FeCl₃

Alcohols have higher boiling point

Alcohols are colored

20. Which acid is used in esterification of alcohols?

Hydrochloric acid

Acetic acid

Sulfuric acid

Nitric acid

21. Which of the following will give a fruity smell on reaction with a carboxylic acid?

Ethanol

Butanol

Phenol

Methanol

22. Which product is formed when ethanol is heated with acetic acid and concentrated H₂SO₄?

Ethyl acetate

Ethene

Acetic anhydride

Acetaldehyde

23. What is the main difference between alcohol and phenol?

Alcohols contain carbonyl groups

Alcohols have aromatic rings

Phenols have –OH directly bonded to benzene

Phenols are saturated

24. The –OH group in phenol makes it:

Electrically neutral

Electron-withdrawing

Non-polar

Electron-donating

25. Which alcohol can be oxidized to form a ketone?

2-propanol

Tert-butanol

Ethanol

Methanol

Page 2 of 4

26. Which of the following reacts fastest in Lucas test?

Tert-butanol

Methanol

2-propanol

Ethanol

27. Which alcohol is commonly used in hand sanitizers?

Butanol

Propan-1-ol

Methanol

Ethanol

28. Alcohols differ from phenols in that alcohols:

Are aromatic

Do not show electrophilic aromatic substitution

Are less soluble in water

Are more acidic

29. Which of the following gives violet color with neutral FeCl₃?

Methanol

Phenol

2-propanol

Ethanol

30. What is the IUPAC name of phenol?

Benzyl alcohol

Benzene hydroxide

Hydroxybenzene

Benzenol

31. What happens to alcohol in the presence of concentrated H₂SO₄ and heat?

Oxidation

Esterification

Dehydration to form alkene

Halogenation

32. In electrophilic substitution, phenol reacts most readily at:

Meta position

Only para position

Para and ortho positions

Only ortho position

33. Alcohols react with carboxylic acids to form:

Esters

Ethers

Ketones

Aldehydes

34. Which of the following reactions does phenol undergo easily?

Nucleophilic substitution

Free radical substitution

Addition reaction

Electrophilic aromatic substitution

35. What is formed when phenol reacts with sodium metal?

Sodium phenoxide

Benzene

Phenyl chloride

Toluene

36. Which of the following alcohols is tertiary?

CH₃OH

(CH₃)₃COH

CH₃CH(OH)CH₃

CH₃CH₂OH

37. Which of the following gives a neutral solution in water?

Phenol

HCl

Ethanol

Acetic acid

38. Which of the following statements is true?

Phenols are more acidic than alcohols

Alcohols react faster with bromine water

Alcohols have aromatic rings

Phenols undergo SN1 reactions

39. What functional group is present in alcohols?

–COOH

–NH₂

–OH

–CHO

40. What is the hybridization of oxygen in an alcohol molecule?

sp²

sp³

sp²d

41. Phenol is more acidic than alcohol due to:

Resonance stabilization of phenoxide ion

High boiling point

Solubility in water

High molecular weight

42. Which alcohol can be oxidized to form a ketone?

Tert-butanol

2-propanol

Ethanol

Methanol

43. Which of the following reactions is not typical for alcohols?

Dehydration

Oxidation

Friedel-Crafts alkylation

Esterification

44. Which of the following has the highest boiling point?

Glycerol

Propanol

Ethanol

Methanol

45. What functional group is present in alcohols?

–CHO

–NH₂

–COOH

–OH

46. Which of the following is an example of a dihydric alcohol?

Ethanol

Ethylene glycol

Methanol

Glycerol

47. Which of the following has the highest boiling point?

Ethanol

Propanol

Glycerol

Methanol

48. Which alcohol gives a positive iodoform test?

Propanol

Methanol

Benzyl alcohol

Ethanol

49. Which compound is formed when two alcohol molecules combine in acidic conditions?

Amine

Aldehyde

Ether

Ketone

50. Which reagent can oxidize a primary alcohol to a carboxylic acid?

NH₃

HCl

KMnO₄

NaOH

Page 3 of 4

51. Phenol reacts with acetic anhydride to form:

Ketone

Ester

Acid

Ether

52. Alcohols react with carboxylic acids to form:

Aldehydes

Ethers

Ketones

Esters

53. Which of the following reacts fastest in Lucas test?

Methanol

2-propanol

Ethanol

Tert-butanol

54. Which of the following can undergo both SN1 and E1 reactions?

Phenol

Secondary alcohol

Tertiary alcohol

Primary alcohol

55. Which of the following is most acidic?

Ethanol

Water

Methanol

Phenol

56. Which of the following statements is true?

Alcohols react faster with bromine water

Phenols are more acidic than alcohols

Phenols undergo SN1 reactions

Alcohols have aromatic rings

57. Which of the following is the correct IUPAC name for CH₃CH₂OH?

Methanol

Ethyl alcohol

Ethanol

Propanol

58. Which of the following is most acidic?

Phenol

Ethanol

Methanol

Water

59. In the Lucas test, tertiary alcohols react:

Slowly

Not at all

Immediately at room temperature

With heating only

60. Which test is used to distinguish between alcohol and phenol?

Ferric chloride test

Lucas test

Benedict’s test

Tollen’s test

61. Which type of alcohol is isopropyl alcohol?

Aromatic

Secondary

Primary

Tertiary

62. What is the hybridization of oxygen in an alcohol molecule?

sp²

sp³

sp²d

63. Which type of alcohol is isopropyl alcohol?

Primary

Secondary

Tertiary

Aromatic

64. Which reagent can oxidize a primary alcohol to a carboxylic acid?

HCl

NaOH

NH₃

KMnO₄

65. Which compound is more acidic?

Phenol

Ethanol

Propanol

Methanol

66. Phenol is more acidic than alcohol due to:

High boiling point

Resonance stabilization of phenoxide ion

High molecular weight

Solubility in water

67. Which of the following reactions does phenol undergo easily?

Free radical substitution

Nucleophilic substitution

Addition reaction

Electrophilic aromatic substitution

68. What is formed when phenol reacts with sodium metal?

Phenyl chloride

Toluene

Benzene

Sodium phenoxide

69. Phenol reacts with bromine water to give:

4-bromophenol

2,4,6-tribromophenol

2-bromophenol

Benzyl bromide

70. What is the major product when phenol reacts with nitric acid?

Nitrobenzene

m-Nitrophenol

o-Nitrophenol

Benzene

71. What is the major product when phenol reacts with nitric acid?

m-Nitrophenol

Benzene

Nitrobenzene

o-Nitrophenol

72. In the Lucas test, tertiary alcohols react:

Slowly

Not at all

With heating only

Immediately at room temperature

73. Phenol reacts with bromine water to give:

Benzyl bromide

2,4,6-tribromophenol

4-bromophenol

2-bromophenol

74. Which type of alcohol forms esters most readily?

Primary

Secondary

Aromatic

Tertiary

75. Which of the following is used in the manufacture of aspirin?

Salicylic acid

Acetic acid

Ethanol

Phenol

Page 4 of 4

76. Which of the following is most reactive in dehydration to form alkenes?

2-propanol

Methanol

Ethanol

Tert-butanol

77. Which of the following is most reactive in dehydration to form alkenes?

Tert-butanol

Methanol

Ethanol

2-propanol

78. Which of the following reactions is not typical for alcohols?

Dehydration

Oxidation

Friedel-Crafts alkylation

Esterification

79. Phenol reacts with acetic anhydride to form:

Ether

Ester

Ketone

Acid

80. Which of the following is not a method to prepare alcohols?

Nitration of alkanes

Hydrolysis of alkyl halides

Hydroboration

Reduction of carbonyl compounds

81. Which product is formed when ethanol is heated with acetic acid and concentrated H₂SO₄?

Acetaldehyde

Ethyl acetate

Ethene

Acetic anhydride

82. Which is more reactive towards electrophilic substitution?

Toluene

Phenol

Benzene

Aniline

83. Alcohols differ from phenols in that alcohols:

Are less soluble in water

Do not show electrophilic aromatic substitution

Are aromatic

Are more acidic

84. Which type of alcohol forms esters most readily?

Tertiary

Secondary

Primary

Aromatic

85. Which of the following gives violet color with neutral FeCl₃?

Methanol

Ethanol

2-propanol

Phenol

86. Which of the following alcohols is tertiary?

(CH₃)₃COH

CH₃OH

CH₃CH(OH)CH₃

CH₃CH₂OH

87. Which of the following is used in the manufacture of aspirin?

Ethanol

Phenol

Salicylic acid

Acetic acid

88. Which is more reactive towards electrophilic substitution?

Aniline

Benzene

Phenol

Toluene

89. Which of the following can undergo both SN1 and E1 reactions?

Primary alcohol

Tertiary alcohol

Phenol

Secondary alcohol

90. Which class of alcohol is CH₃CH₂CH₂OH?

Tertiary

Primary

Secondary

Quaternary

91. Which reaction forms phenol from benzene?

Nitration

Friedel-Crafts alkylation

Dow’s process (chlorobenzene + NaOH)

Sulfonation

92. Which reagent converts alcohols into alkyl halides?

Na₂CO₃

H₂O

KOH

HCl/ZnCl₂

93. Which class of alcohol is CH₃CH₂CH₂OH?

Tertiary

Quaternary

Secondary

Primary

94. Which alcohol cannot be oxidized to a carbonyl compound?

2-propanol

Tert-butanol

Ethanol

Methanol

95. Which compound is formed when two alcohol molecules combine in acidic conditions?

Ether

Aldehyde

Amine

Ketone

96. Which test is used to distinguish between alcohol and phenol?

Lucas test

Benedict’s test

Ferric chloride test

Tollen’s test

97. What is the IUPAC name of phenol?

Benzenol

Benzyl alcohol

Hydroxybenzene

Benzene hydroxide

98. In electrophilic substitution, phenol reacts most readily at:

Only para position

Para and ortho positions

Only ortho position

Meta position

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Mustansar KhanLast Updated: June 16, 2025

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MDCAT Chemistry Alcohols And Phenols Test Online

Chemistry Alcohols And Phenols MCQS Online Test

MDCAT Chemistry Alcohols And Phenols Chapter Online Test

MDCAT Chemistry Alcohols And Phenols Test

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Chemistry Alcohols And Phenols MCQS Online Test

MDCAT Chemistry Alcohols And Phenols Chapter Online Test

MDCAT Chemistry Alcohols And Phenols Test

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