The compressibility factor for a real gas at high pressure is:
A
1+RTpb
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B
1
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C
1+pbRT
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D
1−pbRT
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Solution
The correct option is B1+pbRT Real gas equation is (P+aV2)(V−b)=RT At high pressure, aV2 can be neglected. PV−Pb=RT PVRT=1+PbRT..........(i) Z=PVRT.......(ii) Z=1+PbRT