MCQ
Find out the correct pair :
- A$\left[ Cr \left( H _2 O \right)_6\right] Cl _3$ and $\left[ Cr \left( H _2 O \right)_4 Cl _2\right] \cdot 2 H _2 O$
- B$\left[ Cr \left( H _2 O \right)_5 Cl \right] Cl _2 . H _2 O$ and $\left[ Cr \left( H _2 O \right)_6\right] Cl _3$
- C$\left[ Cr \left( H _2 O \right)_4 Cl _2\right] Cl .2 H _2 O$ and $\left[ Cr \left( H _2 O \right)_5 Cl \right] Cl _2 \cdot H _2 O$
- ✓$\left[ Fe ( CO )_5\right]$ and $\left[ Ni ( CN )_4\right]_2$
