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Question

The correct order of |EMn+/M| values for the four successive elements Cr,Mn,Fe and Co is:

A
Mn>Cr>Fe>Co
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B
Cr>Fe>Mn>Co
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C
Fe>Mn>Cr>Co
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D
Cr>Mn>Fe>Co
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Solution

The correct option is D Mn>Cr>Fe>Co
The magnitude of the STD Electrode reduction potential for the given metals are in the following order:

Mn>Cr>Fe>Co

1490088_827154_ans_481412df170f4ee8b12054e0d5ba73d3.png

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