In which of the following compounds manganese shows maximum radius?

M n O_{2}

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K M n O_{4}

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MnO

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K_{3} [M n (C N)_{6}]

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Solution

The correct option is C MnO
The oxidation state of Mn in $M n O_{2}, K M n O_{4}, M n O a n d K_{3} [M n (C N)_{6}]$ are $+ 4, + 7, + 2, a n d + 3$ respectively. The oxidation state of Mn is lowest in $M n O$ . Hence, the effective nuclear charge is lowest and the radius is maximum.

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Similar questions

In which of the following compounds does manganese have the maximum radius?

M n O_{2}

K M n O_{4}

M n O_{2} I \to M n O_{4}^{2 -} + M n O_{4}^{-}

M n O_{2}

K M n O_{4}

M n O_{2} I ⟶ M n O_{4}^{2 -} I I ⟶ M n O_{4}^{-}

M n O, M n F_{2}, M n O_{2}, M n_{2} O_{7}

K M n O_{4}

(M n O_{2})

(K_{2} M n O_{4})

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