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STD 12 - p -Block elements - ll — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - p -Block elements - ll4 Marks
MCQ
Inert gases have positive electron gain enthalpy. Its correct order is
  • A
    $Xe < Kr < Ne < He$
  • B
    $He < Ne < Kr < Xe$
  • ✓
    $He < Xe < Kr  < Ne$
  • D
    $He < Kr < Xe < Ne$
✓

Answer

Correct option: C.
$He < Xe < Kr  < Ne$
c
From NCRET

So, order is $Ne > Kr > Xe > He$

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