MCQ
Neutral complex in the following is _________.
- ✓$\left[ Co \left( NO _2\right)_3\left( NH _3\right)_3\right]$
- B$\left[ Co \left( NH _3\right)_5 CO _3\right] Cl$
- C$Na _3\left[ Co \left( NO _2\right)_6\right]$
- D$\left[ Co \left( C _2 O _4\right)_3\right]^{3-}$