Classification Of Elements And Periodicity In Properties Ques 9
9. What is the value of electron gain enthalpy of $Na^{+}$if $IE_1$ of $Na=5.1 eV$ ?
[2011M]
(a) $-5.1 eV$
(b) $-10.2 eV$
(c) $+2.55 eV$
(d) $+10.2 eV$
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Answer:
Correct Answer: 9.(a)
Solution:
(a) $IE_1$ of $Na=-$ Electron gain enthalpy of $Na^{+}$ $=-5.1 eV$.
BETA
