Reactions of Benzene

Which catalyst is required for the halogenation of benzene?

• H₂SO₄

• • AlCl₃

• • FeCl₃

• • NaOH

What is the major product when benzene undergoes nitration?

• Nitrobenzene

• Benzaldehyde

• Toluene

• Aniline

Which of the following is NOT required for sulphonation of benzene?

• Concentrated H₂SO₄

• SO₃

• AlCl₃

• Heat

In Friedel-Crafts alkylation, the role of AlCl₃ is to:

• Act as an oxidizing agent

• Generate carbocations

• Neutralize the reaction medium

• Act as a reducing agent

Which of the following groups is introduced to benzene during Friedel-Crafts acylation?

• • –OH

• –CH₃

• –NO₂

• –COCH₃

The electrophile generated during the nitration of benzene is __________.

In halogenation of benzene, __________ acts as a Lewis acid catalyst.

The sulphonation of benzene produces __________ as the main product.

Friedel-Crafts reaction requires an __________ or alkyl halide as the starting reagent.

Write the balanced chemical equation for the nitration of benzene, including reagents and conditions.