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AIIMS 2002
Exam
AIIMS
Year
2002
Subject
Chemistry
Chapter
p Block Elements (Group 15, 16, 17 & 18)

AIIMS 2002 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

The correct order of solubility in water for He , Ne, Ar, Kr , Xe is

The correct order of solubility in water for He\mathrm{He}, Ne,Ar,Kr\mathrm{Ne}, \mathrm{Ar}, \mathrm{Kr}, Xe is

Options

  1. AHe>Ne>Ar>Kr>Xe\mathrm{He}>\mathrm{Ne}>\mathrm{Ar}>\mathrm{Kr}>\mathrm{Xe}
  2. BXe>Kr>Ar>Ne>He\mathrm{Xe}>\mathrm{Kr}>\mathrm{Ar}>\mathrm{Ne}>\mathrm{He}
  3. CNe>Ar>Kr>He>Xe\mathrm{Ne}>\mathrm{Ar}>\mathrm{Kr}>\mathrm{He}>\mathrm{Xe}
  4. DAr>Ne>He>Kr>Xe\mathrm{Ar}>\mathrm{Ne}>\mathrm{He}>\mathrm{Kr}>\mathrm{Xe}.

Correct answer

B. Xe>Kr>Ar>Ne>He\mathrm{Xe}>\mathrm{Kr}>\mathrm{Ar}>\mathrm{Ne}>\mathrm{He}

Step-by-step solution

As the size of the noble gas atoms increases down the group, the polarisation of the electron cloud becomes easier. So heavier noble gas atoms are easily polarised in polar water.
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