Welcome to the Benzene Reactions MDCAT MCQs with Answers. In this post, we have shared Benzene Reactions Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Chemistry offers a chance to enhance your knowledge regarding Benzene Reactions MCQs in this MDCAT Online Test.
What is the major product when benzene reacts with chlorine in the presence of a catalyst like FeCl3?
a) Benzyl chloride
b) Chlorobenzene
c) Benzene hexachloride
d) Benzoic acid
In the nitration of benzene, what is the electrophile involved?
a) Nitrate ion
b) Nitronium ion (NO2+)
c) Nitrite ion
d) Nitric acid
What is the product of the Friedel-Crafts alkylation of benzene with ethyl chloride and AlCl3?
a) Ethylbenzene
b) Benzene ethyl ether
c) Toluene
d) Benzyl alcohol
Which reaction involves the addition of a nitro group to benzene?
a) Friedel-Crafts alkylation
b) Friedel-Crafts acylation
c) Nitration
d) Bromination
When benzene reacts with sulfur dioxide and hydrochloric acid in the presence of a catalyst, what is the product?
a) Benzene sulfonic acid
b) Benzene sulfonyl chloride
c) Benzene disulfonic acid
d) Benzene sulfide
What type of reaction is the bromination of benzene?
a) Electrophilic aromatic substitution
b) Nucleophilic substitution
c) Addition reaction
d) Oxidation reaction
The reaction of benzene with acyl chloride in the presence of AlCl3 yields:
a) Benzyl chloride
b) Acetophenone
c) Benzaldehyde
d) Benzoic acid
What is the product of the reaction of benzene with nitric acid and sulfuric acid?
a) Benzene sulfonic acid
b) Nitrobenzene
c) Benzyl alcohol
d) Benzoic acid
In the reaction of benzene with an alkyl halide and AlCl3, the product is:
a) Alkylbenzene
b) Alkyl chloride
c) Acylarene
d) Benzyl alcohol
Which reaction converts benzene to benzaldehyde?
a) Friedel-Crafts alkylation
b) Friedel-Crafts acylation
c) Nitration
d) Sulfonation
The major product of the hydrogenation of benzene is:
a) Cyclohexane
b) Toluene
c) Phenol
d) Benzyl alcohol
What is the product when benzene is treated with ozone followed by reduction?
a) Benzaldehyde
b) Benzoic acid
c) Cyclohexane
d) Phenol
In which reaction does benzene react with iodine in the presence of a catalyst like CuI?
a) Iodination
b) Bromination
c) Chlorination
d) Nitration
The reaction of benzene with sodium metal in dry ether is known as:
a) Friedel-Crafts reaction
b) Wurtz reaction
c) Benzoin condensation
d) Kolbe’s reaction
The reaction of benzene with potassium permanganate leads to:
a) Benzene sulfonic acid
b) Benzoic acid
c) Benzyl alcohol
d) Nitrobenzene
Benzene reacts with an alkyl halide and AlCl3 to form:
a) Acylarene
b) Alkylbenzene
c) Phenylalkane
d) Benzoic acid
The reaction of benzene with a carboxylic acid chloride in the presence of AlCl3 is known as:
a) Friedel-Crafts alkylation
b) Friedel-Crafts acylation
c) Nitration
d) Sulfonation
Benzene’s reaction with nitric acid in sulfuric acid is an example of:
a) Electrophilic aromatic substitution
b) Nucleophilic substitution
c) Addition reaction
d) Elimination reaction
Which reagent is used for the sulfonation of benzene?
a) Sulfuric acid
b) Hydrochloric acid
c) Nitric acid
d) Phosphoric acid
Benzene reacts with ozone and zinc to yield:
a) Cyclohexane
b) Benzoic acid
c) Benzaldehyde
d) Benzyl alcohol
In the presence of zinc dust, the reaction of benzene with nitrobenzene yields:
a) Benzene
b) Nitrobenzene
c) Aniline
d) Benzoic acid
The product of the reaction of benzene with bromine in the presence of FeBr3 is:
a) Benzyl bromide
b) Bromobenzene
c) Benzene hexabromide
d) Benzoic acid
The Friedel-Crafts acylation reaction introduces which group into the benzene ring?
a) Alkyl group
b) Acyloxy group
c) Nitro group
d) Hydroxyl group
The product of benzene reacting with hydrogen bromide in the presence of a peroxide is:
a) Bromobenzene
b) Benzyl bromide
c) Benzene hexabromide
d) Phenyl bromide
Which reaction of benzene produces benzoic acid?
a) Oxidation with potassium permanganate
b) Nitration
c) Sulfonation
d) Alkylation
What is the result of the reaction of benzene with a diazonium salt in the presence of a copper(I) salt?
a) Phenol
b) Azo-benzene
c) Benzene diazonium chloride
d) Benzyl alcohol
The major product of the reaction of benzene with a chlorinating agent (like Cl2) and FeCl3 is:
a) Chlorobenzene
b) Benzyl chloride
c) Benzene hexachloride
d) Benzoic acid
The product of the reaction of benzene with an excess of chlorine in the presence of a catalyst is:
a) Benzyl chloride
b) Chlorobenzene
c) Benzene hexachloride
d) Benzoic acid
When benzene reacts with ammonia in the presence of a reducing agent, the product is:
a) Aniline
b) Benzylamine
c) Benzamide
d) Nitrobenzene
The product of the reaction of benzene with acetic acid and AlCl3 is:
a) Acetophenone
b) Benzoic acid
c) Phenyl acetic acid
d) Toluene
The reaction of benzene with sulfur dioxide and hydrochloric acid yields:
a) Benzene sulfonic acid
b) Benzene sulfide
c) Benzyl chloride
d) Benzoic acid
The reaction of benzene with concentrated sulfuric acid in the presence of sulfur dioxide forms:
a) Benzene sulfonic acid
b) Benzoic acid
c) Sulfonyl chloride
d) Benzyl alcohol
Benzene reacts with an alkyl halide and AlCl3 to form:
a) Acylarene
b) Alkylbenzene
c) Phenylalkane
d) Benzoic acid
The product of the reaction of benzene with an excess of bromine in the presence of a Lewis acid is:
a) Bromobenzene
b) Benzene hexabromide
c) Benzyl bromide
d) Benzene dibromide
When benzene is treated with potassium permanganate, the product is:
a) Benzaldehyde
b) Benzene sulfonic acid
c) Benzoic acid
d) Benzyl alcohol
The reaction of benzene with a carboxylic acid and AlCl3 yields:
a) Acetophenone
b) Benzoic acid
c) Benzyl alcohol
d) Phenyl acetic acid
The product of the reaction of benzene with a diazonium salt in the presence of a copper salt is:
a) Aniline
b) Benzene diazonium chloride
c) Azo-benzene
d) Benzyl alcohol
The reaction of benzene with bromine in the presence of FeBr3 results in:
a) Bromobenzene
b) Benzyl bromide
c) Benzene dibromide
d) Benzene hexabromide
When benzene reacts with concentrated sulfuric acid, the product is:
a) Benzene sulfonic acid
b) Benzyl alcohol
c) Toluene
d) Phenol
The major product of the reaction of benzene with an alkyl halide in the presence of AlCl3 is:
a) Alkylbenzene
b) Benzyl alcohol
c) Benzene ether
d) Benzene sulfonic acid
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