Why HNO3 is used in electrophilic substitution of arenes by iodine?
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Helen Flanagan 8thhjhkk
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Explanation:
Iodine can be easily oxidized using, nitric acid. HNO3 in the presence of an acid and Iodine generates Iodine cation that reacts with Benzene giving Iodobenzene, Nitrogen dioxide, and water. As HNO3 is consumed in the reaction, hence it is a reagent and not a catalyst.
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