Home/Chemistry Mcqs/Chemistry Alcohols And Phenols Online Mcqs Test

Chemistry Alcohols And Phenols Online Mcqs Test

Mustansar KhanLast Updated: October 14, 2025

Important Chemistry Alcohols And Phenols Question and Answer

Total Questions:	98
Time Allowed:	40 Minutes
Total Marks:	98
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	Chemistry Test ECAT Test MDCAT Test FPSC/PPSC/SPSC/KPPSC/BPSC/AJKPSC/NTS Chemistry Interview Question Answer

Chemistry Alcohols And Phenols Practice Test Online With Explanation

Please wait...

Page 1 of 4

Uncategorized

1. Phenol reacts with acetic anhydride to form:

Acid

Ketone

Ether

Ester

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

Primary alcohol

Secondary alcohol

Phenol

Tertiary alcohol

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

Alcohols are colored

Phenols form ketones

Alcohols have higher boiling point

Phenols give violet color with FeCl₃

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

Ethanol

Ethylene glycol

Methanol

Glycerol

5. In the Lucas test, tertiary alcohols react:

Immediately at room temperature

With heating only

Slowly

Not at all

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

Halogenation

Esterification

Dehydration to form alkene

Oxidation

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

HCl

Phenol

Ethanol

Acetic acid

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

Tert-butanol

Ethanol

2-propanol

Methanol

9. Which type of alcohol is isopropyl alcohol?

Tertiary

Secondary

Primary

Aromatic

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

Benzene

Nitrobenzene

m-Nitrophenol

o-Nitrophenol

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

Meta position

Only ortho position

Only para position

Para and ortho positions

12. The –OH group in phenol makes it:

Non-polar

Electrically neutral

Electron-donating

Electron-withdrawing

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

sp²

sp²d

sp³

14. Which of the following alcohols is tertiary?

(CH₃)₃COH

CH₃OH

CH₃CH(OH)CH₃

CH₃CH₂OH

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

Ethanol

Phenol

2-propanol

Methanol

16. Which type of alcohol forms esters most readily?

Tertiary

Aromatic

Primary

Secondary

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

Methanol

Ethanol

2-propanol

Phenol

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

sp³

sp²d

sp²

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

Ether

Aldehyde

Amine

Ketone

20. Which compound is more acidic?

Ethanol

Propanol

Phenol

Methanol

21. What is the IUPAC name of phenol?

Hydroxybenzene

Benzyl alcohol

Benzene hydroxide

Benzenol

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

Ethene

Ethyl acetate

Acetic anhydride

Acetaldehyde

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

m-Nitrophenol

Nitrobenzene

o-Nitrophenol

Benzene

24. What functional group is present in alcohols?

–CHO

–COOH

–NH₂

–OH

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

Phenol

Butanol

Methanol

Ethanol

Page 2 of 4

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

Tollen’s test

Lucas test

Benedict’s test

Ferric chloride test

27. Phenol is more acidic than alcohol due to:

High boiling point

Solubility in water

Resonance stabilization of phenoxide ion

High molecular weight

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

HCl

Acetic acid

Ethanol

Phenol

29. What is the IUPAC name of phenol?

Benzenol

Hydroxybenzene

Benzene hydroxide

Benzyl alcohol

30. Which reagent converts alcohols into alkyl halides?

H₂O

KOH

Na₂CO₃

HCl/ZnCl₂

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

Methanol

Ethanol

Phenol

Butanol

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

Propanol

Glycerol

Ethanol

Methanol

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

2-propanol

Tert-butanol

Methanol

Ethanol

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

Ethanol

2-propanol

Tert-butanol

Methanol

35. Which compound is more acidic?

Propanol

Ethanol

Methanol

Phenol

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

Primary alcohol

Phenol

Tertiary alcohol

Secondary alcohol

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

HCl

KMnO₄

NH₃

NaOH

38. Which is more reactive towards electrophilic substitution?

Aniline

Toluene

Benzene

Phenol

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

Phenols give violet color with FeCl₃

Alcohols are colored

Alcohols have higher boiling point

Phenols form ketones

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

Methanol

Tert-butanol

Ethanol

2-propanol

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

Ethanol

2-propanol

Tert-butanol

Methanol

42. Phenol reacts with acetic anhydride to form:

Ketone

Ether

Ester

Acid

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

Propanol

Methanol

Butanol

Pentanol

44. Which of the following statements is true?

Alcohols react faster with bromine water

Alcohols have aromatic rings

Phenols are more acidic than alcohols

Phenols undergo SN1 reactions

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

Oxidation

Esterification

Friedel-Crafts alkylation

Dehydration

46. Which alcohol gives a positive iodoform test?

Benzyl alcohol

Methanol

Propanol

Ethanol

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

Tert-butanol

2-propanol

Ethanol

Methanol

48. In the Lucas test, tertiary alcohols react:

With heating only

Not at all

Immediately at room temperature

Slowly

49. What functional group is present in alcohols?

–OH

–COOH

–NH₂

–CHO

50. Which type of alcohol is isopropyl alcohol?

Primary

Aromatic

Secondary

Tertiary

Page 3 of 4

51. Phenol reacts with bromine water to give:

4-bromophenol

2,4,6-tribromophenol

Benzyl bromide

2-bromophenol

52. Which alcohol is commonly used in hand sanitizers?

Methanol

Ethanol

Propan-1-ol

Butanol

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

Ethanol

Salicylic acid

Phenol

Acetic acid

54. The –OH group in phenol makes it:

Electron-donating

Non-polar

Electrically neutral

Electron-withdrawing

55. Which acid is used in esterification of alcohols?

Acetic acid

Hydrochloric acid

Nitric acid

Sulfuric acid

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

Propanol

Butanol

Methanol

Pentanol

57. Which of the following alcohols is tertiary?

CH₃CH₂OH

(CH₃)₃COH

CH₃CH(OH)CH₃

CH₃OH

58. Which class of alcohol is CH₃CH₂CH₂OH?

Primary

Secondary

Quaternary

Tertiary

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

Esterification

Dehydration

Friedel-Crafts alkylation

Oxidation

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

Nucleophilic substitution

Electrophilic aromatic substitution

Free radical substitution

Addition reaction

61. Which reaction forms phenol from benzene?

Friedel-Crafts alkylation

Sulfonation

Nitration

Dow’s process (chlorobenzene + NaOH)

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

Sodium phenoxide

Toluene

Benzene

Phenyl chloride

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

Ethyl alcohol

Ethanol

Methanol

Propanol

64. Which is more reactive towards electrophilic substitution?

Toluene

Benzene

Aniline

Phenol

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

NH₃

KMnO₄

NaOH

HCl

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

Esterification

Halogenation

Oxidation

Dehydration to form alkene

67. Which alcohol gives a positive iodoform test?

Propanol

Benzyl alcohol

Methanol

Ethanol

68. Which acid is used in esterification of alcohols?

Acetic acid

Nitric acid

Sulfuric acid

Hydrochloric acid

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

Ethylene glycol

Ethanol

Methanol

Glycerol

70. Which reagent converts alcohols into alkyl halides?

HCl/ZnCl₂

Na₂CO₃

KOH

H₂O

71. Which reaction forms phenol from benzene?

Nitration

Dow’s process (chlorobenzene + NaOH)

Friedel-Crafts alkylation

Sulfonation

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

Alcohols contain carbonyl groups

Phenols are saturated

Phenols have –OH directly bonded to benzene

Alcohols have aromatic rings

73. Which of the following is most acidic?

Ethanol

Methanol

Water

Phenol

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

Acetic anhydride

Ethyl acetate

Acetaldehyde

Ethene

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

Phenyl chloride

Toluene

Sodium phenoxide

Benzene

Page 4 of 4

76. Phenol is more acidic than alcohol due to:

High boiling point

High molecular weight

Solubility in water

Resonance stabilization of phenoxide ion

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

Ethanol

Glycerol

Propanol

Methanol

78. Alcohols react with carboxylic acids to form:

Ethers

Esters

Aldehydes

Ketones

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

Salicylic acid

Ethanol

Acetic acid

Phenol

80. 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

81. Which type of alcohol forms esters most readily?

Aromatic

Tertiary

Primary

Secondary

82. Alcohols react with carboxylic acids to form:

Aldehydes

Ethers

Ketones

Esters

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

Tollen’s test

Benedict’s test

Lucas test

Ferric chloride test

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

Nitration of alkanes

Hydrolysis of alkyl halides

Hydroboration

Reduction of carbonyl compounds

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

Ether

Ketone

Amine

Aldehyde

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

Alcohols contain carbonyl groups

Alcohols have aromatic rings

Phenols are saturated

Phenols have –OH directly bonded to benzene

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

Ethanol

2-propanol

Tert-butanol

Methanol

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

2-propanol

Tert-butanol

Ethanol

Methanol

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

Electrophilic aromatic substitution

Nucleophilic substitution

Addition reaction

Free radical substitution

90. Which of the following is most acidic?

Ethanol

Phenol

Water

Methanol

91. Alcohols differ from phenols in that alcohols:

Are less soluble in water

Are aromatic

Are more acidic

Do not show electrophilic aromatic substitution

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

Ethanol

Propanol

Ethyl alcohol

Methanol

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

Only para position

Only ortho position

Para and ortho positions

Meta position

94. Which class of alcohol is CH₃CH₂CH₂OH?

Primary

Tertiary

Secondary

Quaternary

95. Phenol reacts with bromine water to give:

2-bromophenol

Benzyl bromide

4-bromophenol

2,4,6-tribromophenol

96. Which alcohol is commonly used in hand sanitizers?

Ethanol

Butanol

Methanol

Propan-1-ol

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

Hydrolysis of alkyl halides

Reduction of carbonyl compounds

Hydroboration

Nitration of alkanes

98. Alcohols differ from phenols in that alcohols:

Do not show electrophilic aromatic substitution

Are aromatic

Are more acidic

Are less soluble in water

You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.

Basic Concepts of Chemistry Online Mcqs Test
Chemistry Industrial Chemistry Online Mcqs Test
Chemistry Aldehydes and Ketones Online Mcqs Test
Chemistry Alkyl Halides Online Mcqs Test
Chemistry Macro Molecules Online Mcqs Test
Chemistry Carboxylic Acid Online Mcqs Test
Chemistry of Hydrocarbons Online Mcqs Test
Chemistry Transition Elements Online Mcqs Test
Chemistry Reaction Kinetics Online Mcqs Test
Fundamental Principles of Organic Chemistry Online Mcqs Test

Mustansar KhanLast Updated: October 14, 2025

Chemistry Alcohols And Phenols Online Mcqs Test

Important Chemistry Alcohols And Phenols Question and Answer

Chemistry Alcohols And Phenols Practice Test Online With Explanation

Uncategorized

Related Posts

Mustansar Khan

Leave a Reply Cancel reply