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JEE Advanced Chemistry question

ChemistryRedox ReactionsJEE Advanced

Br− and BrOx− in acidic medium form Br2, where x = .

Answer: 3

Solution

This describes the classic bromide–bromate comproportionation reaction: 5Br− + BrO3− + 6H+ → 3Br2 + 3H2O. Here Br in BrO3− (x = 3, since there are 3 oxygen atoms) is at the +5 oxidation state and is reduced to

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Question ID VK-159540