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- #Chemistry
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- #Chemistry Part I Textbook for Class XII
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- #The d and f block elements
8.7 Which is a stronger reducing agent or
and why ?
Answers (1)
Cr+2 is a better reducing agent as compared to Fe+2, as this can be explained on the basis of standard electrode potential of Cr+2 (-0.41) and Fe+2 (+0.77).
It can also be explained on the basis of their electronic configuration achieved. Cr+2 obtained d3 configuration whereas Fe+2 gets d5 configuration upon reduction. It is known that d3 is more stable than d5. So Cr+2 is a better reducing agent as compared to Fe+2.
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