Q.

vander Waal' s constants a and b for hydrogen gas are 0.246 L2mol−2 and 0.0267Lmol−respectively. value of inversion temperature for the gas will be :

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a

168.24K

b

84.12K

c

112.2K

d

224.4K

answer is D.

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Detailed Solution

a=0.246atmL2mol−2b=0.0267Lmol−R=0.0821LatmK−mol−.Inversion temperature, TI=2abR   =2×0.246atmL2mol−20.0267Lmol−×0.0821LatmK−mol−Ti=224.4K.
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vander Waal' s constants a and b for hydrogen gas are 0.246 L2mol−2 and 0.0267Lmol−respectively. value of inversion temperature for the gas will be :