Statement 1 : The compressibility factor for H2 and He is 1+bPRT.Statement 2 : The compressibility factor for H2 and He can be derived from van der Waals' equation.
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a
Both Statement 1 and Statement 2 are true.
b
Statement 1 is true and Statement 2 is false.
c
Statement 1 is false and Statement 2 is true.
d
Both Statement 1 and Statement 2 are false.
answer is A.
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Detailed Solution
P+aV2 V-b= RT; for H2 and He, a is very small because of low molar mass. Thus,PV=RT+Pb. Now Z =PVRT=1+PbRT.