For the preparation of p-nitroiodobenzene fro | vedclass

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Question

(A) The preparation of $p-$nitroiodobenzene from $p-$nitroaniline involves two main steps:$1$. Diazotization: $p-$nitroaniline reacts with $NaNO_2$ an

Vedclass · Accepted Answer

$NaNO_2/HCl$ followed by $KI$

Vedclass · Answer

(A) The preparation of $p-$nitroiodobenzene from $p-$nitroaniline involves two main steps:$1$. Diazotization: $p-$nitroaniline reacts with $NaNO_2$ and $HCl$ at $0-5^{\circ}C$ to form $p-$nitrobenzenediazonium chloride.$2$. Iodination: The diazonium salt is then treated with $KI$ (potassium iodide) to replace the diazonium group with an iodine atom,yielding $p-$nitroiodobenzene.This is a standard method for introducing iodine into an aromatic ring via a diazonium intermediate.

For the preparation of $p-$nitroiodobenzene from $p-$nitroaniline,the best method is

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