MCQ
Which of the following is a polar compound
- A${C_2}{H_6}$
- B$CC{l_4}$
- ✓$HCl$
- D$C{H_4}$
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Same product $(A)$ will form in both reactions $A$ is

$(i)$ Ionization $(ii)$ Hydrate $(iii)$ Coordination $(iv)$ Geometrical $(v)$ Optical
Which of the above isomerisms are exhibited by $[Cr(NH_3)_2 (OH)_2 Cl_2]^-$?