Welcome to the Alcohols And Phenols MDCAT MCQs with Answers. In this post, we have shared Alcohols And Phenols Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Chemistry offers a chance to enhance your knowledge regarding Alcohols And Phenols MCQs in this MDCAT Online Test.
Which of the following is an alcohol?
a) C₆H₅OH
b) CH₃CH₂OH
c) CH₃COOH
d) CH₃CHO
The compound C₆H₅OH is known as:
a) Methanol
b) Ethanol
c) Phenol
d) Acetic acid
Which of the following is a primary alcohol?
a) CH₃CH(OH)CH₃
b) CH₃CH₂OH
c) (CH₃)₃COH
d) CH₃CHOHCH₃
The alcohol CH₃CH₂CH(OH)CH₃ is classified as:
a) Primary
b) Secondary
c) Tertiary
d) None
The compound (CH₃)₂CHOH is:
a) Primary alcohol
b) Secondary alcohol
c) Tertiary alcohol
d) Phenol
Which of the following compounds is a phenol?
a) CH₃OH
b) CH₃CH₂OH
c) C₆H₅OH
d) CH₃COOH
Which alcohol is tertiary?
a) CH₃CH₂OH
b) CH₃CH(OH)CH₃
c) (CH₃)₃COH
d) CH₃CHOHCH₃
Phenol is more acidic than ethanol because:
a) Phenol has a higher molecular weight
b) Phenol can form hydrogen bonds
c) Phenol has a resonance stabilized phenoxide ion
d) Ethanol has a larger atomic radius
Which alcohol reacts with sodium metal to produce hydrogen gas?
a) Phenol
b) Methanol
c) Ethanol
d) None
The reaction of phenol with bromine gives:
a) Phenyl bromide
b) 2,4,6-Tribromophenol
c) Bromobenzene
d) Benzene
Which of the following is a characteristic test for phenols?
a) Silver mirror test
b) Bromine water test
c) Fehling’s test
d) Tollen’s test
Which of the following is not an alcohol?
a) CH₃CH₂OH
b) CH₃CH₂CHO
c) CH₃OH
d) C₆H₅OH
Which of the following is a secondary alcohol?
a) CH₃CH₂OH
b) CH₃CH(OH)CH₃
c) (CH₃)₃COH
d) CH₃CHOHCH₂CH₃
The presence of which group makes phenol more acidic than alcohols?
a) Methyl group
b) Hydroxyl group
c) Phenyl group
d) Carboxyl group
Which reagent is used to distinguish phenol from alcohols?
a) Sodium bicarbonate
b) Bromine water
c) Lucas reagent
d) Fehling’s solution
The formula for phenol is:
a) C₆H₅OH
b) C₆H₆O
c) C₆H₅CH₃
d) C₆H₅COOH
Which of the following is not a property of alcohols?
a) Reactivity with sodium
b) Dehydration to form alkenes
c) Formation of esters
d) Formation of phenoxide ion
The product of phenol and chloroform in the presence of alkali is:
a) Phenyl chloroformate
b) Phenol chloride
c) Salicylic acid
d) 2,4,6-Tribromophenol
Which alcohol would give a positive Lucas test?
a) Ethanol
b) Methanol
c) Phenol
d) All of the above
The oxidation of which alcohol forms a ketone?
a) Primary alcohol
b) Secondary alcohol
c) Tertiary alcohol
d) Phenol
Which compound reacts with sodium hydroxide to give a phenoxide ion?
a) Ethanol
b) Methanol
c) Phenol
d) Butanol
What type of alcohol is CH₃CH₂CH(OH)CH₃?
a) Primary
b) Secondary
c) Tertiary
d) Phenol
Which alcohol is used in the production of antifreeze?
a) Ethanol
b) Methanol
c) Propanol
d) Butanol
The oxidation of which alcohol will not produce an aldehyde or ketone?
a) Primary alcohol
b) Secondary alcohol
c) Tertiary alcohol
d) None
The reaction of phenol with concentrated sulfuric acid yields:
a) Phenol sulfonic acid
b) Salicylic acid
c) 2,4,6-Tribromophenol
d) Phenyl sulfate
Which of the following is an example of a tertiary alcohol?
a) CH₃CH₂CH₂OH
b) CH₃CH(OH)CH₃
c) (CH₃)₃COH
d) CH₃CH(OH)CH₂CH₃
The presence of which group in phenol enhances its reactivity towards electrophiles?
a) Hydroxyl group
b) Methyl group
c) Carboxyl group
d) Amino group
Which alcohol is used in the production of acetone?
a) Methanol
b) Ethanol
c) Propanol
d) Butanol
The reaction of phenol with formaldehyde in the presence of an acid catalyst produces:
a) Phenol formaldehyde resin
b) Phenyl alcohol
c) Phenyl aldehyde
d) Salicylic acid
Which reagent is used for the dehydration of alcohols to alkenes?
a) H₂SO₄
b) NaOH
c) HCl
d) KOH
The reaction of alcohols with hydrochloric acid in the presence of zinc chloride is known as:
a) Lucas test
b) Sodium test
c) Bromine test
d) Iodine test
Which of the following is a primary alcohol?
a) CH₃CH₂OH
b) CH₃CH(OH)CH₃
c) CH₃(CH₂)₃OH
d) (CH₃)₃COH
The formula for the phenoxide ion is:
a) C₆H₅O⁻
b) C₆H₅OH
c) C₆H₅O
d) C₆H₅O₂
Which of the following compounds is a phenol derivative?
a) CH₃OH
b) CH₃CH₂OH
c) C₆H₅OCH₃
d) CH₃COOH
The reaction of phenol with concentrated nitric acid gives:
a) Nitrobenzene
b) 2-Nitrophenol
c) 4-Nitrophenol
d) 2,4,6-Trinitrophenol
Which type of alcohol can be directly oxidized to a carboxylic acid?
a) Primary alcohol
b) Secondary alcohol
c) Tertiary alcohol
d) None
The IUPAC name for CH₃CH₂CH₂CH₂OH is:
a) Butanol
b) Propanol
c) Ethanol
d) Pentanol
The product of the reaction between phenol and chloroform in alkaline medium is:
a) Phenol formaldehyde
b) Salicylic acid
c) Phenol formaldehyde resin
d) 2,4,6-Tribromophenol
Which of the following is not a physical property of alcohols?
a) Solubility in water
b) High boiling point
c) Reactivity with acids
d) Absorption of UV light
Which test can differentiate between phenol and an alcohol?
a) Bromine water test
b) Lucas test
c) Tollen’s test
d) Fehling’s test
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