A simplest aromatic hydrocarbon (A) reacts with methyl chloride in the presence of AICI3 gives (B) C7H8 . Compound (B) reacts with Br2 along with light gives (C) of molecular formula C7H7Br (C) reacts with alcohol KCN gives (D) (C8H7N) (D) on acid hydrolysis gives (E) of formula C8H8O2 . Identify A,B,C,D,E and explain the reactions involved.
