Question

Answer this question please.. and give the proper explanation too..
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Answer 1

Reactions of arenes with iodine are reversible in nature. So, aryl iodides are prepared in the presence of an oxidising agent in order to oxidise the HI formed during iodination.

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Answer 2

Answer:

• A reaction that resembles the Sandmeyer reaction occurs when iodine is introduced into an aromatic compound through treatment of the arenediazonium salt with potassium iodide (KI).