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CGP EDU Academic Team
Published on: August 14, 2026
Affinity for hydrogen decreases in the group form fluorine to iodine. Which of the halogen acids should have highest bond dissociation enthalpy?
Text Solution
Verified by ExpertsThe correct answer is:
A
As the size of halogen atom increases down the group from F to I, the strength of H – X bond decreases and hence bond dissociation enthalpy decreases. Thus, HF has highest bond dissociation enthalpy.
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