MHT CET 2022 Chemistry question

Which one of the following conversions does not involve wither oxidation or reduction?

Answer: (C)

Solution

Check the oxidation state change. (A) : V = +5 and : V = +3, reduction. (B) : 0 to +1, oxidation. (D) : +2 to 0, reduction. (C) In :

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Question ID VK-096998