The correct order of electron gain enthalpies of $Cl$,$F$,$Te$,and $Po$ is .....

The amount of energy released for the process $X_{(g)} + e^- \to X^-_{(g)}$ is minimum and maximum respectively for :-
$(a) \ F$
$(b) \ Cl$
$(c) \ N$
$(d) \ B$
Correct answer is :-

Which of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) for the given elements?

The process that is $NOT$ endothermic in nature is :-

Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species?

Consider the following conversions:
$(i) \, O_{(g)} + e^- \to O_{(g)}^{-}, \Delta H_1$
$(ii) \, F_{(g)} + e^- \to F_{(g)}^{-}, \Delta H_2$
$(iii) \, Cl_{(g)} + e^- \to Cl_{(g)}^{-}, \Delta H_3$
$(iv) \, O_{(g)}^{-} + e^- \to O_{(g)}^{2-}, \Delta H_4$
Based on the given information,which statement is incorrect?