$(2)\ [Co(NH_3)_4Cl_2]Cl ⇌ [Co(NH_3)_4Cl_2]^{+} + Cl^{-}$
$(3)\ [Co(NH_3)_5Cl]Cl_2 ⇌ [Co(NH_3)_5Cl]^{2+} + 2Cl^{-}$
$(4)\ [Co(NH_3)_6]Cl_3 ⇌ [Co(NH_3)_6]^{3+} + 3Cl^{-}$
વાહકતાનો પ્રક્રમ : $CoCl_3.6NH_3 > CoCl_3 . 5NH_3 > CoCl_3 . 4NH_3 > CoCl_3 . 3NH_3$
$\mathrm{NO}_2^{-}, \mathrm{SCN}^{-}, \mathrm{C}_2 \mathrm{O}_4^{2-}, \mathrm{NH}_3, \mathrm{CN}^{-}, \mathrm{SO}_4^{2-}, \mathrm{H}_2 \mathrm{O}$.
$A.$ $\left[ Fe ( CN )_6\right]^{3-}$;$B.$ $\left[ FeF _6\right]^{3-}$; $C.$ $\left[ CoF _6\right]^{3-}$; $D.$ $\left[ Cr (\text { oxalate })_3\right]^{3-}$; $E.$ $\left[ Ni ( CO )_4\right]$
નીચે આપેલા વિકલ્પોમાંથી સાચો જવાબ પસંદ કરો.