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Covalent Character

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Question

why is potassium permanganate called so?

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Solution

Potassium permangnate is KMnO_4.It consists of K⁺ and MnO₄^- ions. Permanganate is the general name given to the compound contianing MnO₄^-ion, that is, Mn in +7 oxidation state. If Mn is in +6 oxidation state, then it is called Potassium manganate.

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