Question

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

A

B

C

D

Medium
AIIMS

Solution

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Correct option is
B

As the molecular weight of noble gas atoms increases down the group its polarity increases due to which van-der-waal's force between them increases. Due to increased polarity of heavier inert gas, its solubility in water also increases. So, most soluble gas will be and least soluble will be . So correct order is .

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