MCQ
The IUPAC name for the complex $\left[ Co \left( NH _3\right)_5\left( NO _2\right)\right] Cl _2$ is:
- Anitrito-N-pentaammine cobalt (III) chloride
- Bnitrito-N-pentaammine cobalt (II) chloride
- Cpentaamminenitrito-N-cobalt(II) chloride
- ✓pentaamminenitrito-N-cobalt(III) chloride