Why Cr^(2+) is strongly reducing while M...

Why `Cr^(2+)` is strongly reducing while `Mn^(3+)` is strongly oxidising ?

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How would you account for the following : Of the d^4 species, Cr^(2+) is strongly reducing while Mn(III) is strongly oxidising.

Give an explanation for the following observation : With the same d-orbital configuration (d^4) , Cr^(2+) ion is a reducing agent but Mn^(3+) ion is an oxidising agent.

In aqueous solution, Cr^(2+) is stronger reducing agent than Fe^(2+) . This is because

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Sc^(3+) ion is colourless while Cr^(3+) Ion is coloured. Explain.

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