The increasing order of acid strength of halo | vedclass

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Question

(A) The acid strength of hydrohalic acids depends on the bond dissociation enthalpy of the $H-X$ bond. As we move down the group from $F$ to $I$,the a

Vedclass · Accepted Answer

$HF < HCl < HBr < HI$

Vedclass · Answer

(A) The acid strength of hydrohalic acids depends on the bond dissociation enthalpy of the $H-X$ bond. As we move down the group from $F$ to $I$,the atomic size of the halogen increases,which leads to an increase in the bond length and a decrease in the bond dissociation enthalpy. Consequently,the release of the $H^+$ ion becomes easier. Therefore,the acid strength increases in the order: $HF < HCl < HBr < HI$.

The increasing order of acid strength of halogen acids is:

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