Subject - Chemistry:

Basics

MCQ - 36-2222

Question:

Which of the following best explains the role of the sulphuric acid?

Removing the water produced
Forming an unstable complex with benzene
Protonating nitric acid
Forming an unstable complex with benzene

Correct Answer: A

Explanation:

The nitration process involves formation the nitronium ion (NO2+), followed by an electrophilic aromatic substitution reaction of it with benzene. The nitronium ion is generated in situ by the reaction of nitric acid and an acidic dehydration agent, typically sulfuric acid.

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