Which of the following acids is the weakest?

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Question

(A) The acidic strength of hydrohalic acids $(HX)$ depends on the bond dissociation enthalpy of the $H-X$ bond.As the size of the halogen atom increas

Vedclass · Accepted Answer

$HF$

Vedclass · Answer

(A) The acidic strength of hydrohalic acids $(HX)$ depends on the bond dissociation enthalpy of the $H-X$ bond.As the size of the halogen atom increases from $F$ to $I$,the bond length increases,and the bond dissociation enthalpy decreases.Therefore,the ease of releasing $H^+$ ions increases in the order: $HF Since $HF$ has the strongest $H-X$ bond due to its small size,it is the weakest acid among the given options.

Similar Questions

In the following reaction,identify the nature of the product formed by the complete hydrolysis of the underlined atom at $R.T.$:
$\underline{Cl}F_5 + H_2O \longrightarrow HClO_3 + HF$

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