NEETChemistryHydrocarbons
Which hydrogen halide is least reactive in the addition to alkenes?
Options
- AHCl
- BHBr
- CHI
- DThey all have the same reactivity.
Correct answer
A. HCl
Step-by-step solution
Among hydrogen halides, HCl is the least reactive in the addition to alkenes. It is less reactive than HBr and HI due to the smaller size and lower polarizability of chlorine.