If B is the major product,then identify B. | vedclass

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(C) The reaction of chlorobenzene with concentrated $HNO_3$ and concentrated $H_2SO_4$ (nitration) produces a mixture of ortho-nitrochlorobenzene and

Vedclass · Accepted Answer

$4-$nitrophenol

Vedclass · Answer

(C) The reaction of chlorobenzene with concentrated $HNO_3$ and concentrated $H_2SO_4$ (nitration) produces a mixture of ortho-nitrochlorobenzene and para-nitrochlorobenzene. The para-isomer is the major product due to less steric hindrance. Thus,$A$ is $1$-chloro-$4$-nitrobenzene.When $1$-chloro-$4$-nitrobenzene $(A)$ is treated with $NaOH$ at $433 \ K$,nucleophilic aromatic substitution occurs. The presence of the electron-withdrawing $-NO_2$ group at the para position activates the ring towards nucleophilic attack,replacing the $-Cl$ atom with an $-OH$ group to form $4$-nitrophenol as the major product $B$.

If $B$ is the major product,then identify $B$.

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Assertion : Chloral reacts with chlorobenzene to form $DDT$.
Reason : It is an electrophilic substitution reaction.

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