What is the major product when CH₃CH₂CH=CH₂ reacts with HI in the absence of peroxides?
For 1-butene ( CH₃CH₂CH=CH₂ ), HI adds via Markovnikov's rule, forming CH₃CH₂CHICH₃ (2-iodobutane).
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Elimination Reactions and Reaction with Metals and Other Reactions