Chemistry · PYQ NEET UG 2018

Which one of the following ions exhibits d-d transition and paramagnetism as well?

1. A
   \( \text{CrO}_4^{2-} \)
2. B
   \( \text{Cr}_2\text{O}_7^{2-} \)
3. C
   \( \text{MnO}_4^{-} \)
4. D
   \( \text{MnO}_4^{2-} \)