Question

The colour of $KMn{O}_4$ is due to

• A. M $\to$ L charge transfer transition
• B. d - d transition
• C. L $\to$ M charge transfer transition
• D. $\sigma -{\sigma }^{\ast }$ transition

Answer 1

The correct option is C L $\to$ M charge transfer transition

Colour of $KMn{O}_4$ is due to charge transfer from $O^{2-}$ (ligand - L) to Mn (VII) (central metal ion -M).