Chemistry · 2022
JEE Main · 29 July 2022, Shift 1 · Q64
The first ionization enthalpy of Na, Mg and Si, respectively, are: 496, 737 and 786 kJ mol^-1. The first ionization enthalpy ( kJ mol^-1) of Al is:
The first ionization enthalpy of $\displaystyle \mathrm{Na}, \mathrm{Mg}$ and Si , respectively, are : $\displaystyle 496$, $\displaystyle 737$ and $\displaystyle 786 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The first ionization enthalpy $\displaystyle \left(\mathrm{kJ} \mathrm{mol}^{-1}\right)$ of Al is :
Official answer
(3)
$\displaystyle 577$
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