Question

Coordination number of Pt and $Ni$ in ${\left[PtC{l}_6\right]}^{2-}$ and ${\left[Ni{\left(N{H}_3\right)}_4\right]}^{2+}$ are respectively.

• A. $4$ and $6$
• B. $6$ and $4$
• C. $4$ and $4$
• D. $6$ and $6$

Answer 1

Answer: (B)

Coordination number of $Pt$ and $Ni$ in ${\left[PtC{l}_6\right]}^{2-}$ and ${\left[Ni{\left(N{H}_3\right)}_4\right]}^{2+}$ are $6$ and $4$ respectively.