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Question

Which is stronger reducing agent Fe2+ (or) Cr2+. Why?

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Solution

Reducing agent :- The tendency to loose electrons or to undergoes oxidation easily.
It based on the number of maximum electrons that it can given out
We know for Cr +6 is maximum, So Cr+2 can lose 4e
But for Fe +3 is maximum, So Fe+2 can lose only 1e
Ans :- Cr+2

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