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Complete the following reactions? (i)...

Complete the following reactions?
(i) `Cr^(2) + 2e^(-) to`
(ii)` Mn^(2+) + 2e^(-) to`
(iii) `Fe^(2+) + 2e^(-) to`
(iv) `Co^(2+) + 2e^(-) to`

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(I ) `Cr^(2+) + 2e^(-) to Cr`
`(ii) Mn^(2+) + 2e^(-) to Mn`
`(iii) Fe^(2+) + 2e^(-) to Fe`
`(iv ) Co^(2+) + 2e^(-) to Co`
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SURA PUBLICATION-TRANSITION AND INNER TRANSITION ELEMENTS-Short Answer
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  14. Explain the oxidising property of KMnO(4) in alkaline medium .

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  15. Explain the oxidising property of KMnO(4) in acid medium

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