COORDINATION COMPOUNDS
28682
Which of the following isomeric pairs shows ionization isomerism
1 \(\left[ {Co{{\left( {N{H_3}} \right)}_6}} \right]\,\left[ {Cr{{\left( {CN} \right)}_6}} \right]\) and \(\left[ {Cr{{(N{H_3})}_6}} \right]\,\left[ {Co{{(CN)}_6}} \right]\)
2 \(\left[ {Cr{{\left( {{H_2}O} \right)}_6}} \right]C{l_3}\) and \(\left[ {Cr{{\left( {{H_2}O} \right)}_5}Cl} \right]C{l_2}.{H_2}O\)
3 \(\left[ {Pt{{\left( {N{H_3}} \right)}_2}C{l_2}} \right]\) and \(\left[ {Pt{{(N{H_3})}_4}} \right]\,\left[ {PtC{l_4}} \right]\)
4 \(\left[ {Co{{(N{H_3})}_5}Br} \right]S{O_4}\) and \(\left[ {Co{{\left( {N{H_3}} \right)}_5}S{O_4}} \right]Br\)
Explanation:
In (4) primary valency groups are different.