The number of geometrical isomers found in

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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:

  1. $1,1,1,1$

  2. $2,1,2,2$

  3. $2,0,2,2$

  4. $2,1,2,1$


Correct Option: , 2

Solution:

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