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Grade 12th pass10 grade science

The colour of KMnO4 is due to (A) M → L charge transfer transition (B) d-d transition (C) L → M charge transfer transition (D) σ−σ∗ transition

Profile image of Harshit Singh
4 Years agoGrade 12th pass
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1 Answer

Profile image of Yash Patari
4 Years ago
Dear student
KMnO4 has a deep purple colour. The metal ions in KMnO4 contains d electron and, therefore, charge transfer occurs from O– to Mn+. In fact, the lowest energy L→M charge transfer is due to the transition of a nonbonding 2p oxygen electron to the unoccupied molecular orbital level of doing tetrahedral compound.

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