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Which is a stronger reducing agent Cr^2+ or Fe ^2+ and why ? Chapter 8

8.7     Which is a stronger reducing agent Cr^{2+} or Fe^{2+} and why ?

 

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M manish

Reducing agents are those which lose the electrons easily. Here Cr^{2+} or Fe^{2+} ,the reduction potential value of Cr^{3+}/Cr^{2+} is more than that of Fe^{3+}/Fe^{2+}.Hence Cr^{2+} easily gets oxidised to Cr^{3+} (attains t^{3}_{2g} configuration). Hence Cr^{2+} is better reducing agents.

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