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Question

The colour of MnO4 ion is due to charge transfer.
If true enter 1, else enter 0.

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Solution

MnO4
Here, Mn is in +7 oxidation state.
The electronic configuration of Mn is [Ar]4s23d5. Mn in its +7 oxidation state means d0 electron. Its colour is therefore, due to charge transfer spectra and not due to paramagnetism or d-d transition.
harge transfer complex involves electron transfer between metal ion and the ligands.
Hence, the statement is true.

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