Electron gain enthalpy values $(\Delta_{eg} H)$ (in $kJ \ mol^{-1}$) of elements $X$,$Y$ and $Z$ are $-349$,$-200$ and $-295$ respectively. $X$,$Y$ and $Z$ are respectively
- A$Cl, I, S$
- B$Cl, S, I$
- C$S, Se, Te$
- D$Na, K, Rb$
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In which of the following options are the elements correctly arranged with respect to their negative electron gain enthalpies?
For the reaction $Cl_{(g)} + e^- \to Cl^-_{(g)}$,the value of $\Delta H$ is ...........
Easy
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The correct order of electron affinity is
Select the process in which the least enthalpy change is associated:
Medium
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