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Chemistry · 2013
JEE Main 2013 · 2013-04-07 Offline · Q82
The first ionisation potential of Na is 5.1 eV. The value of electron gain enthalpy of Na^+ will be:
The first ionisation potential of Na is $\displaystyle 5.1$ eV . The value of electron gain enthalpy of $\displaystyle \mathrm{Na}^{+}$will be :
Official answer
(3)
$\displaystyle -5.1 \mathrm{eV}$
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