Question

In the following reaction
the structure of the major product ‘X’ is

Answer 1

The product is option B

Explanation:

• The reactant is the amide bond between two phenyl groups.

• The reagent is concentrated Sulphuric acid and concentrated nitric acid.

• So this is a nitration reaction.

• In the second ring we can see that the carboxylic group is attached.

• Carboxylic group is a ring deactivator because it draws electrons out from the benzene ring.

• With the first ring, the amide group is attached.

• Amide group is a ring activator because of its lone pair of electrons that can be donated to the benzene ring when necessary.

• So nitration will occur on the first ring.

• As amide is a ortho para directing group, then the nitration will mostly occur on the para part because of the steric hindrance on ortho side.

• So the major product will be option B.

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The reaction of an organic compound with ammonia followed by nitration of the product gives a powerful explosive called rdx. The organic compound is