MCQ
The correct labeling of different terms used in coordination compounds is: 
- A$(i)$ Central atom$, (ii)$ Ionisation sphere$, (iii)$ Coordination number$, (iv)$ Ligands
- B$(i)$ Ligands$, (ii)$ Coordination number$, (iii)$ Valency$, (iv)$ Ionisation sphere
- C$(i)$ Ionisation sphere$, (ii)$ Ligands$, (iii)$ Coordination number$, (iv)$ Central atom
- ✓$(i)$ Ligands$, (ii)$ Ionisation sphere$, (iii)$ Coordination number$, (iv)$ Central atom