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JEE Main Chemistry question

ChemistryRedox ReactionsJEE Main

Which of the following reactions involves oxidation and reduction? [WB-JEE 2006]

Answer: (C)

Solution

Options (A), (B) and (D) are simple metathesis (double displacement) or acid-base reactions in which no element changes its oxidation number. In (C),

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Question ID VK-136668