Within each pair of element \( \mathrm{F} \& \mathrm{Cl}, \mathrm{S... VIDEO
Within each pair of element \( \mathrm{F} \& \mathrm{Cl}, \mathrm{S} \& \mathrm{Se} \), and \( \mathrm{Li} \& \mathrm{Na} \),
\( \mathrm{P} \) respectively, the elements that release more energy upon
W an electron gain are:
[JEE Main-2020 (January)]
(1) \( \mathrm{Cl}, \mathrm{S} \) and \( \mathrm{Li} \)
(2) F, S and Li
(3) \( \mathrm{F}, \mathrm{Se} \) and \( \mathrm{Na} \)
(4) \( \mathrm{Cl}, \mathrm{Se} \) and \( \mathrm{Na} \)
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