Question

what is the action of 1) conc.HNO3 and 2) Hydrogen on Benzene​

Answer 1

Answer:

Nitration happens when one (or more) of the hydrogen atoms on the benzene ring is replaced by a nitro group, NO2. Benzene is treated with a mixture of concentrated nitric acid and concentrated sulfuric acid at a temperature not exceeding 50°C. The mixture is held at this temperature for about half an hour.

Explanation:

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