Among chalcogens,the correct order of amount | vedclass

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Question

(D) The electron gain enthalpy becomes less negative as we move down the group from $S$ to $Te$ due to an increase in atomic size. However,oxygen $(O)

Vedclass · Accepted Answer

$O < Te < Se < S$

Vedclass · Answer

(D) The electron gain enthalpy becomes less negative as we move down the group from $S$ to $Te$ due to an increase in atomic size. However,oxygen $(O)$ has an exceptionally low electron gain enthalpy due to its small size and strong inter-electronic repulsions. Therefore,the correct order of electron gain enthalpy (amount of energy released) is $O < Te < Se < S$.

Among chalcogens,the correct order of amount of energy released during electron gain (electron gain enthalpy) is

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