Question
How is aryl iodide obtained from diazonium salt?
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Answer
When diazonium salt is warmed with potassium iodide, aryl iodide is obtained.
$ArN _2^{+} Cl ^{-}+ KI \xrightarrow{\text { Warm }} ArI + N _2 \uparrow+ KCl$
$ArN _2^{+} Cl ^{-}+ KI \xrightarrow{\text { Warm }} ArI + N _2 \uparrow+ KCl$
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