Concentrated HNO3 reacts with iodine to give ______.

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Concentrated HNO3 reacts with iodine to give HIO3, NO2 and H2O. Explanation: When concentrated nitric acid reacts with iodine, it acts as a strong oxidising agent and oxidises iodine to iodic acid (HIO3). Simultaneously, nitric acid itself gets reduced to nitrogen dioxide (NO2) and water is also formed. The balanced equation is: \ce{I2 + 10HNO3 -> 2HIO3 + 10NO2 + 4H2O} Thus, the products are HIO3, NO2 and H2O.

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