The cis isomer exist in two optical isomers. In the case of trans isomer optical isomerism not possible.
In octahedral complexes of the type $M ( A )_4 X _2$ like $\left[ Co \left( NH _3\right)_4 Cl _2\right]^{+}$the optical isomerism is not possible.
ઉદીપક | પ્રક્રિયા |
$(A)$ $TiCl_4$ | $(i)$ Wacker process |
$(B)$ $PdCl_2$ | $(ii)$ Ziegler - Natta polymerization |
$(C)$ $CuCl_2$ | $(iii)$ Contact process |
$(D)$ $V_2O_5$ | $(iv)$ Deacon's process |