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There is a covalency between Mn and Oxyg...

There is a covalency between Mn and Oxygen in permanganate Ion. Why?

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ln (MnO)_(+). - ion. Mn is in the highest oxidation state, +7. Transition metais form covalent bonds in high oxidation state.
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V PUBLICATION-THE d- AND f- BLOCK ELEMENTS-QUESTION BANK
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  19. Write ionic equation for the reduction of MnO(4)^(-) to Mn^(2+) by H(2...

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  20. Can lanthanum '(z)=57)' exhibit '+4', oxidation state. Explain?

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