MCQ
Which of the following is correct?
- A$[NiCl_4(NH_3)_2]^{-2} \to $ geometrical isomerism
- B$[Pt (NH_3)_2Cl_2] \to $ Fac-mer isomerism
- C$CoCl_3. 6H_2O \to $ Hydrate isomerism possible
- ✓$1$ and $3$ both
$\left[\mathrm{Ma}_{4} \mathrm{b}_{2}\right]$ and
$(aa)$ $( aa)$ $(bb)$
$(aa)$ $(a b)$ $(a b)$
$( 3)$ $\left[\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{3}$
$\left[\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl}_{2} \cdot \mathrm{H}_{2} \mathrm{O}$
$\left(\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right) 4 \mathrm{Cl}_{2}\right) \mathrm{Cl} \cdot 2 \mathrm{H}_{2} \mathrm{O}$
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