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Chemistry · 2013
JEE Main 2013 · 2013-04-07 Offline · Q61
Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se and Ar?
Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se and Ar ?
Official answer
(4)
$\displaystyle \mathrm{Ba}<\mathrm{Ca}<\mathrm{Se}<\mathrm{S}<\mathrm{Ar}$
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