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

Nitrobenzene

o-Nitrophenol

Benzene

m-Nitrophenol

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

Hydrolysis of alkyl halides

Hydroboration

Nitration of alkanes

Reduction of carbonyl compounds

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

Ethyl acetate

Acetic anhydride

Ethene

Acetaldehyde

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

Ethanol

Ethylene glycol

Glycerol

Methanol

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

Reduction of carbonyl compounds

Hydroboration

Nitration of alkanes

Hydrolysis of alkyl halides

6. Alcohols react with carboxylic acids to form:

Aldehydes

Esters

Ketones

Ethers

7. Which alcohol is commonly used in hand sanitizers?

Propan-1-ol

Butanol

Methanol

Ethanol

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

Methanol

Phenol

2-propanol

Ethanol

9. In the Lucas test, tertiary alcohols react:

Immediately at room temperature

Not at all

Slowly

With heating only

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

Methanol

Pentanol

Propanol

Butanol

11. Phenol is more acidic than alcohol due to:

Resonance stabilization of phenoxide ion

High molecular weight

Solubility in water

High boiling point

12. Which of the following alcohols is tertiary?

(CH₃)₃COH

CH₃CH(OH)CH₃

CH₃OH

CH₃CH₂OH

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

Dehydration to form alkene

Esterification

Oxidation

Halogenation

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

Oxidation

Friedel-Crafts alkylation

Dehydration

Esterification

15. Which of the following statements is true?

Alcohols have aromatic rings

Phenols are more acidic than alcohols

Alcohols react faster with bromine water

Phenols undergo SN1 reactions

16. The –OH group in phenol makes it:

Electron-withdrawing

Non-polar

Electrically neutral

Electron-donating

17. Which of the following statements is true?

Phenols are more acidic than alcohols

Alcohols have aromatic rings

Alcohols react faster with bromine water

Phenols undergo SN1 reactions

18. Which type of alcohol is isopropyl alcohol?

Primary

Aromatic

Secondary

Tertiary

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

sp³

sp²d

sp²

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

Ethanol

2-propanol

Methanol

Tert-butanol

21. The –OH group in phenol makes it:

Electrically neutral

Non-polar

Electron-donating

Electron-withdrawing

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

Phenols give violet color with FeCl₃

Phenols form ketones

Alcohols are colored

Alcohols have higher boiling point

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

Methanol

Ethanol

2-propanol

Tert-butanol

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

Benzene

Sodium phenoxide

Phenyl chloride

Toluene

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

NH₃

KMnO₄

NaOH

HCl

Page 2 of 4

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

Methanol

Propanol

Ethanol

Ethyl alcohol

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

Propanol

Methanol

Ethanol

Glycerol

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

Acetic acid

Ethanol

Phenol

HCl

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

Friedel-Crafts alkylation

Oxidation

Dehydration

Esterification

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

NaOH

NH₃

HCl

KMnO₄

31. Which alcohol gives a positive iodoform test?

Benzyl alcohol

Ethanol

Propanol

Methanol

32. Which compound is more acidic?

Propanol

Methanol

Ethanol

Phenol

33. Which type of alcohol forms esters most readily?

Aromatic

Secondary

Tertiary

Primary

34. What is the IUPAC name of phenol?

Hydroxybenzene

Benzene hydroxide

Benzyl alcohol

Benzenol

35. Which of the following is most acidic?

Phenol

Water

Ethanol

Methanol

36. Which alcohol gives a positive iodoform test?

Propanol

Benzyl alcohol

Ethanol

Methanol

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

Methanol

Ethanol

Glycerol

Propanol

38. Which class of alcohol is CH₃CH₂CH₂OH?

Tertiary

Primary

Secondary

Quaternary

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

2-propanol

Methanol

Tert-butanol

Ethanol

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

Amine

Aldehyde

Ketone

Ether

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

Alcohols have higher boiling point

Phenols give violet color with FeCl₃

Alcohols are colored

Phenols form ketones

42. Which compound is more acidic?

Methanol

Propanol

Phenol

Ethanol

43. Which type of alcohol forms esters most readily?

Tertiary

Aromatic

Primary

Secondary

44. What functional group is present in alcohols?

–NH₂

–OH

–CHO

–COOH

45. Which alcohol is commonly used in hand sanitizers?

Ethanol

Butanol

Propan-1-ol

Methanol

46. Phenol reacts with acetic anhydride to form:

Ester

Acid

Ketone

Ether

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

Phenol

HCl

Acetic acid

Ethanol

48. Which of the following alcohols is tertiary?

CH₃OH

CH₃CH(OH)CH₃

(CH₃)₃COH

CH₃CH₂OH

49. Which type of alcohol is isopropyl alcohol?

Aromatic

Secondary

Primary

Tertiary

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

Ethene

Acetic anhydride

Acetaldehyde

Ethyl acetate

Page 3 of 4

51. Which is more reactive towards electrophilic substitution?

Benzene

Aniline

Toluene

Phenol

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

Tert-butanol

2-propanol

Ethanol

Methanol

53. Which acid is used in esterification of alcohols?

Acetic acid

Hydrochloric acid

Sulfuric acid

Nitric acid

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

Alcohols have aromatic rings

Phenols are saturated

Alcohols contain carbonyl groups

Phenols have –OH directly bonded to benzene

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

Only ortho position

Para and ortho positions

Meta position

Only para position

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

Phenol

Ethanol

Acetic acid

Salicylic acid

57. Which of the following is most acidic?

Ethanol

Methanol

Water

Phenol

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

Phenols are saturated

Alcohols have aromatic rings

Alcohols contain carbonyl groups

Phenols have –OH directly bonded to benzene

59. Phenol reacts with bromine water to give:

Benzyl bromide

2,4,6-tribromophenol

4-bromophenol

2-bromophenol

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

Methanol

Ethanol

Tert-butanol

2-propanol

61. Which is more reactive towards electrophilic substitution?

Aniline

Benzene

Phenol

Toluene

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

Electrophilic aromatic substitution

Nucleophilic substitution

Addition reaction

Free radical substitution

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

2-propanol

Tert-butanol

Methanol

Ethanol

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

Phenol

Methanol

Ethanol

Butanol

65. Phenol is more acidic than alcohol due to:

Resonance stabilization of phenoxide ion

High boiling point

High molecular weight

Solubility in water

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

2-propanol

Ethanol

Methanol

Phenol

67. Phenol reacts with bromine water to give:

2-bromophenol

2,4,6-tribromophenol

4-bromophenol

Benzyl bromide

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

Tertiary alcohol

Secondary alcohol

Primary alcohol

Phenol

69. Phenol reacts with acetic anhydride to form:

Acid

Ether

Ketone

Ester

70. What functional group is present in alcohols?

–OH

–CHO

–NH₂

–COOH

71. Which acid is used in esterification of alcohols?

Sulfuric acid

Hydrochloric acid

Acetic acid

Nitric acid

72. Alcohols differ from phenols in that alcohols:

Are aromatic

Do not show electrophilic aromatic substitution

Are less soluble in water

Are more acidic

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

Ethylene glycol

Ethanol

Methanol

Glycerol

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

Salicylic acid

Phenol

Acetic acid

Ethanol

75. Which reagent converts alcohols into alkyl halides?

H₂O

HCl/ZnCl₂

Na₂CO₃

KOH

Page 4 of 4

76. What is the IUPAC name of phenol?

Hydroxybenzene

Benzene hydroxide

Benzyl alcohol

Benzenol

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

Only ortho position

Para and ortho positions

Meta position

Only para position

78. Which reagent converts alcohols into alkyl halides?

KOH

Na₂CO₃

H₂O

HCl/ZnCl₂

79. In the Lucas test, tertiary alcohols react:

Immediately at room temperature

With heating only

Slowly

Not at all

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

Free radical substitution

Electrophilic aromatic substitution

Nucleophilic substitution

Addition reaction

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

Butanol

Methanol

Pentanol

Propanol

82. Alcohols react with carboxylic acids to form:

Ethers

Aldehydes

Esters

Ketones

83. Alcohols differ from phenols in that alcohols:

Are less soluble in water

Are more acidic

Do not show electrophilic aromatic substitution

Are aromatic

84. Which reaction forms phenol from benzene?

Friedel-Crafts alkylation

Dow’s process (chlorobenzene + NaOH)

Nitration

Sulfonation

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

Ethanol

Tert-butanol

2-propanol

Methanol

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

Benzene

Toluene

Phenyl chloride

Sodium phenoxide

87. Which reaction forms phenol from benzene?

Dow’s process (chlorobenzene + NaOH)

Nitration

Sulfonation

Friedel-Crafts alkylation

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

m-Nitrophenol

Nitrobenzene

o-Nitrophenol

Benzene

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

sp³

sp²

sp²d

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

Ketone

Aldehyde

Ether

Amine

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

Tollen’s test

Lucas test

Benedict’s test

Ferric chloride test

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

Ethanol

Methanol

Propanol

Ethyl alcohol

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

Tertiary alcohol

Secondary alcohol

Primary alcohol

Phenol

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

Tollen’s test

Lucas test

Benedict’s test

Ferric chloride test

95. Which class of alcohol is CH₃CH₂CH₂OH?

Primary

Quaternary

Secondary

Tertiary

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

Dehydration to form alkene

Oxidation

Halogenation

Esterification

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

Ethanol

Methanol

Phenol

Butanol

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

2-propanol

Tert-butanol

Methanol

Ethanol

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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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