Why kmno4 exhibit pink colour, Chemistry

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The color in KMnO4 arises from an electronic transition, but it is actually not a d-d ... When the light is reflected (or transmitted) it is missing the frequencies of the light absorbed, and so it looks pink.


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3/8/2013 7:14:16 AM

Mostly compounds of d block elements exibitcolour dueto d-d transistions between partially filled eg and t2g
but the reason for colour of KmnO4 and K2Cr2O7 is due to partial chanrge transfer between central atom and oxygen which causes colour

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