The number of electrons involved in the reduction of Cr2O2−7 in acidic solutio

Question - The number of electrons involved in the reduction of

C r_{2} O_{7}^{2 -}

in acidic solution to

C r^{3 +}

Options:

A . 0

B . 2

C . 3

D . 5

Answer: Option C
:
C

In this reaction three electrons are required for the reduction of

C r_{2} O_{7}^{2 -}

into

C r^{3 +}

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