MCQ
Which among the following complexes is NOT a heteroleptic complex?
- A${\left[ Co ( en )_2 Cl _2\right]^{+}}$
- B${\left[ Co ( en )_2 Cl _2\right] Cl }$
- ✓${\left[ Co \left( NH _3\right)_6\right] Cl _3}$
- D${\left[ Pt \left( NH _3\right)_4 Br _2\right] Br _2}$
