MCQ
Which one of the following is expected to be a paramagnetic complex
- ✓${\left[ {Ni{{\left( {{H_2}O} \right)}_6}} \right]^{2 + }}$
- B$\left[ {Ni{{\left( {CO} \right)}_4}} \right]$
- C${\left[ {Zn{{\left( {N{H_3}} \right)}_4}} \right]^{2 + }}$
- D${\left[ {Co{{\left( {N{H_3}} \right)}_6}} \right]^{ + 3}}$
