Chemistry · PYQ NEET UG 2019(1)

The manganate and permanganate ions are tetrahedral, due to _________.

1. there is no \( \pi \)-bonding
2. the \( \pi \)-bonding involves overlap of p-orbitals of oxygen with p-orbitals of manganese
3. the \( \pi \)-bonding involves overlap of d-orbitals of oxygen with d-orbitals of manganese
4. the \( \pi \)-bonding involves overlap of p-orbitals of oxygen with d-orbitals of manganese