1.

Give reason : Nitration of benzene is not possible with only HNO_(3).

Answer»

Solution :Benzene possess characteristic STABILITY and `pi`-BONDS on benzene is only BROKEN down with only strong ELECTROPHILE. Only `HNO_(3)`, produce `NO_(2)^(+)` which is not strong electrophile so does `NO_(2)^(+)` which is not strong electrophile so does not perfom NITRATION reaction.


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