\([Co(NH_3 )_5Cl]Cl_2 + 2AgNO_3 \to [Co(NH_3)_5Cl](NO_3)_2 + 2AgCl\)
Hence two chlorine atoms satisfy the primary valency and one, secondary valency.
$(I)\ [Pt(NH_3)_6]Cl_4$
$(II) [Cr(NH_3)_6]Cl_3$
$(III) [Co(NH_3)Cl_2]Cl$
$(IV) K_2[PtCl_6]$
| સૂચિ $- I$ | સૂચિ $- II$ |
| $(A)\,Ni(CN)^{3-}_5$ | $(1)\, sp^3$ |
| $(B)\, CuCl^{3-}_5$ | $(2)\, dsp^2$ |
| $(C)\, AuCl^-_4$ | $(3)\, sp^3d_{z^2}$ |
| $(D) \,ClO^-_4$ | $(4)\, d_{x^2-y^2} sp^3$ |
$A\,\,\,-\,\,\,B\,\,\,-\,\,\,C\,\,\,-\,\,\,D$