Chemistry · PYQ NEET UG 2018
हिन्दीWhich one of the following ions exhibits d-d transition and paramagnetism as well?
Correct answer · Option 4
\( \text{MnO}_4^{2-} \)
Explanation
\( \text{MnO}_4^{2-} \) (manganate ion) has \( \text{Mn}^{6+} \) with \( 3\text{d}^1 \) configuration, possessing 1 unpaired electron (paramagnetic) and allowing d-d transitions.