Which of the following compounds will show geometrical isomerism?(i) 2-butene (ii) Propene (iii) 1-phenylpropene (iv) 2-methyl-2-butene

Question

$(a)\;(i) and (iii) \\ (b)\;(i) and (iv) \\ (c)\;(ii) and (iv) \\ (d)\;(iii) and (iv)$