See image — Haloalkanes and Haloarenes Chemistry Question

💡 Solution & Explanation

Correct option: \(\text{A}\). Elimination removes \(\ce{HX}\) from adjacent carbons. The major alkene usually follows Zaitsev's rule unless steric or mechanistic factors favour the less substituted product. Recovered question text: 19. The order of stability of the alkenes R C=CR , R C=CHR, R C=CH , RCH=CHR, and RCH=CH 2 2 2 2 2 2 I II III IV V is - (A) I > II > III > IV > V (B) I = II > III > IV > V (C) II > I > IV > III > V (D) V > IV > III > I > II