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Affinity for hydrogen decreases in the g...

Affinity for hydrogen decreases in the group from fluorine to iodine. Which of the halogen acids should have highest bond dissociation enthalpy?

A

`HF`

B

`HCl`

C

`HBr`

D

`HI`

Text Solution

Verified by Experts

The correct Answer is:
A

Fluorine is the smallest and `H-F` bond is shortest. Therefore, HF has the highest bond dissociation energy.
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