Redox Reactions And Electrochemistry Ques 504

Question: In acid solution, the reaction MnO4,,Mn2+ involves [MP PMT 1989]

Options:

A) Oxidation by 3 electrons

B) Reduction by 3 electrons

C) Oxidation by 5 electrons

D) Reduction by 5 electrons

Show Answer

Answer:

Correct Answer: D

Solution:

MnO4Mn2+ . In this reaction 5e are needed for the reduction of Mn2+ as: MnO4+5eMn2+ .



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