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The isotherm obtained for CO is as follo...

The isotherm obtained for CO is as follows :

The compressibility factor for the gas at point A will be

A

`(1-(b)/(V))`

B

`(1+(b)/(V))`

C

`(1+(b)/(RT))`

D

`(1+(a)/(RTV))`

Text Solution

Verified by Experts

The correct Answer is:
B
`(P+(an^(2))/(V))(V-b)=RT`
At point A, P is high so that `(a)/(V_(2))` can be neglected. Hence, `P(V-b)=RT` or `PV-Pb=RT`
or `PV=Pb+RT" or "(PV)/(RT)=1(Pb)/(RT)`
i.e., `Z=1+(Pb)/(RT)`. Putting `P=(RT)/(V)`
`Z=1+(b)/(V)`
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