Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Haloalkanes and Haloarenes

Question:

What is the correct order of reactivity of the following haloacids with a given alcohol?

Options:

HCl > HBr > HI

HI > HBr > HCl

HBr > HCl > HI

 HI > HCl > HBr

Correct Answer:

HI > HBr > HCl

Explanation:

The bond dissociation enthalpy of the carbon-halogen bond between H and Cl is the highest and that between H and I is the lowest among HI, HBr and HCl.