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JEE Main Chemistry question

ChemistryRedox ReactionsJEE Main

A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number?

Answer: (A)

Solution

Chlorine, starting at +5 in , disproportionates into products such as (+4) and (+7), with the chlorine reaching undergoing a change of 2 units (and overall the

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Question ID VK-136921