Total number of $\textit{cis}$ $N-Mn-Cl$ bond angles (that is, $Mn-N$ and $Mn-Cl$ bonds in cis positions)…
Total number of $\textit{cis}$ $N-Mn-Cl$ bond angles (that is, $Mn-N$ and $Mn-Cl$ bonds in cis positions) present in a molecule of $\textit{cis}-[Mn(en)_{2}(Cl)_{2}]$ complex is _________ $en = NH_{2}CH_{2}CH_{2}NH_{2}$