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JEE Main 2002 Chemistry question

ChemistryRedox ReactionsJEE Main 2002

Which of the following is a redox reaction ?

Answer: (4)

Solution

In (4), Zn goes from 0 to +2 (oxidised) and Ag goes from +1 to 0 (reduced), so it is a redox reaction. In (1), (2)

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Question ID VK-037935