MCQ
Among the following complexes which one shows zero CFSE?
- A$\left[ Mn \left( H _2 O \right)_6\right]^{3+}$
- ✓$\left[ Fe \left( H _2 O \right)_6\right]^{3+}$
- C$\left[ CO \left( H _2 O \right)_6\right]^{2+}$
- D$\left[ CO \left( H _2 O \right)_6\right]^{3+}$