Redox Reactions And Electrochemistry Ques 692

Question: Which of the following involves transfer of five electrons-

Options:

A) MnO4Mn2+

B) CrO42Cr3+

C) MnO42MnO2

D) Cr2O722Cr3+

Show Answer

Answer:

Correct Answer: A

Solution:

[a] O.N. of Mn in MnO4 is +7 and in Mn2+ it is +2. The difference is of 5 electrons.



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