How would you account for the following: (i) Of the cr species, `Cr^(2+)` is strongly reducing while manganese (III) i

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Q 1901601528.     How would you account for the following:
(i) Of the cr species, `Cr^(2+)` is strongly reducing
while manganese (III) is strongly oxidizing.
(ii) Cobalt (II) is stable in aqueous solution but
in the presence of complexing reagents it is
easily oxidised.
(iii) The `d^1` configuration is very unstable in
ions.

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(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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