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JEE Main Chemistry question

ChemistryThe p-Block ElementsJEE Main

The number of compounds in which the oxidation state of the halogen is less than is . 1. Hypochlorous acid 2. Chlorous acid 3. Bromic acid 4. Periodic acid 5. Hypoiodous acid 6. Perchloric acid

Answer: 3

Solution

Oxidation states: hypochlorous acid, HOCl (Cl, ); chlorous acid, (Cl, ); bromic acid, (Br, ); periodic acid, (I, );

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Question ID VK-147139