Question

$MnO^{-}_4$ is of intense pink colour, though $Mn$ is in $\left(+7\right)$ oxidation state. It is due to

• A. oxygen gives colour to it
• B. None of the above is correct
• C. charge transfer when $Mn$ gives its electron to oxygen
• D. character transfer when oxygen gives its electron to $Mn$ making it $Mn\left (+VI\right)$ and hence coloured

Answer 1

Answer: (C)

This is called ligand to metal charge transfer phenomenon