Identify the correct order of acidity of hydr | vedclass

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Question

(C) The acidity of hydrides of group $16$ elements increases down the group. As we move down the group from $O$ to $Te$,the atomic size of the central

Vedclass · Accepted Answer

$H_2Te > H_2Se > H_2S > H_2O$

Vedclass · Answer

(C) The acidity of hydrides of group $16$ elements increases down the group. As we move down the group from $O$ to $Te$,the atomic size of the central atom increases. This leads to a decrease in the bond dissociation enthalpy of the $E-H$ bond (where $E = O, S, Se, Te$). Consequently,the ease of releasing $H^+$ ions increases,making the hydrides more acidic. Therefore,the correct order of acidity is $H_2O  H_2Se > H_2S > H_2O$.

Identify the correct order of acidity of hydrides of $16^{th}$ group elements from the following.

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