Question

In which compound synergic effect is present that relieves the metal of excess negative charge

• A. $\left[Ni\right(CO{)}_4]$
• B. $[NiC{l}_4{]}^{2-}$
• C. $[CuC{l}_4{]}^{2-}$
• D. $\left[Mn\right(H_{2}O{)}_6{]}^{2+}$

Answer 1

The correct option is A $\left[Ni\right(CO{)}_4]$

Synergic effect is observed in some ligands in coordination compounds like CO