Why kmno4 exhibit pink colour, Chemistry

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.

Posted Date: 3/8/2013 7:13:28 AM | Location : United States

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

Posted by | Posted Date: 3/8/2013 7:14:16 AM

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