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NEETChemistryHydrocarbons

What is the role of concentrated sulfuric acid in the nitration of benzene?

Options

  1. AIt provides nitrogen for nitration.
  2. BIt acts as a catalyst.
  3. CIt prevents over-nitration.
  4. DIt acts as a reducing agent.

Correct answer

C. It prevents over-nitration.

Step-by-step solution

Concentrated sulfuric acid serves as a catalyst and also prevents over-nitration by absorbing any excess water that may be produced during the reaction, which could lead to the formation of undesirable by-products.

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