Compound 'X' has molecular formula CrCl2Br⋅6H2O can show type of isomerism.
(i) hydrate isomerism
(ii) ionization isomerism
(iii) geometrical isomerism
(iv) optical isomerism
a. (i), (ii) and (iii) only
(i) and (ii) only
c. (i), (ii), (iii) and (iv)
(i) and (iii) only