Which of the following dissociates to give {H | vedclass

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(C) The acidic strength of hydrides of group $16$ elements increases down the group as the bond dissociation enthalpy decreases. As we move from $O$ t

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${H_2}Te$

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(C) The acidic strength of hydrides of group $16$ elements increases down the group as the bond dissociation enthalpy decreases. As we move from $O$ to $Te$ in the group,the atomic size increases,which leads to a decrease in the bond strength of the $E-H$ bond. Therefore,the bond between $H$ and $Te$ in ${H_2}Te$ is the weakest,making it the easiest to dissociate and release ${H^{+}}$ ions. Thus,the correct order of acidic strength is ${H_2}O < {H_2}S < {H_2}Se < {H_2}Te$.

Which of the following dissociates to give ${H^{+}}$ most easily?

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