Predict the major product 'Z' in the following sequence of reactions.

Step-by-step solution

The given reactant is 2-phenylpropene, C₆H₅-C(CH₃)=CH₂ . Reaction with HBr in the presence of benzoyl peroxide proceeds via a free radical mechanism, resulting in anti-Markovnikov addition. The bromine radical adds to the less substituted carbon to form a stable benzylic radical intermediate, which then abstracts a hydrogen atom from HBr . C₆H₅-C(CH₃)=CH₂ HBr, peroxide C₆H₅-CH(CH₃)-CH₂Br The product 1-bromo-2-phenylpropane undergoes a nucleophilic substitution reaction with KCN in ethanol. The cyanide ion displaces