The correct priorities for the substituents shown below, according to the E-Z sequence rule is
I. – CN
II. – CBr (CH3)2
III. – COOH
(a) II, III, V, I, IV
(b) V, II, I, IV, III
(c) III, IV, I, II, V
(d) II, V, I, IV, III
Correct option: (a) II, III, V, I, IV
Explanation:
Arrange (NNN), (BrCC), (OOO), (CHH), (OOH) in increasing atomic number. The order is ii, iii, v, i, iv.
