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Which is astr...

Question

Which is astronger reducing agent Cr²⁺ or Fe²⁺ and why?

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Solution

The standard electrode potential of Cr³⁺/Cr (-0.74V) is less than the standard electrode potential of Fe²⁺/Fe (-0.44V), as the electrode potential value increases the power to acts as a reducing agent decreases, thus Cr³⁺is a strong reducing agent than Fe²⁺.

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