See image — Haloalkanes and Haloarenes Chemistry Question

💡 Solution & Explanation

Correct option: \(\text{B}\). Classify the halogen compound correctly as alkyl, allylic, benzylic, vinylic or aryl; the structure and position of \(\ce{X}\) decide its preparation and reaction behaviour. Recovered question text: 21. ZnX C H OH + HX 2 C H X, the order of reactivity is    2 5 2 5 (A) HI > HCl > HBr (B) HI > HBr > HCl (C) HCl > HBr > HI (D) HBr > HI > HCl Br KCN