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

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

The p-Block Elements - Part2

Solution:

$F$ being smallest has the shortest $HF$ bond and hence $HF$ has the highest bond dissociation energy.