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Question

The colour of KMnO4 is due to:

A
ML charge transfer transition
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B
dd transition
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C
LM charge transfer transition
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D
σσ transition
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Solution

The correct option is B ML charge transfer transition
The deep purple color of KMnO4
is not due to dd transition
due to change transfer (from O to Mn) reduced the oxidation state of Mn from +7 to +6 momentarily.

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