Question:
The number of geometrical isomers found in the metal complexes $\left[\mathrm{PtCl}_{2}\left(\mathrm{NH}_{3}\right)_{2}\right]$,
$\left[\mathrm{Ni}(\mathrm{CO})_{4}\right], \quad\left[\mathrm{Ru}\left(\mathrm{H}_{2} \mathrm{O}\right)_{3} \mathrm{Cl}_{3}\right] \quad$ and $\quad\left[\mathrm{CoCl}_{2}\left(\mathrm{NH}_{3}\right)_{4}\right]^{+}$ respectively, are:
Correct Option: , 2
Solution:
