Chemistry - Real Gas Question with Solution | TestHub

ChemistryReal GasLiquification & Critical Constants of GasesMedium2 minQB
ChemistryMediumsingle choice

At critical temperature, which of the following graphs is correct?

figure

Options:

Answer:
A
Solution:

The critical temperature is below the Boyle temperature, so at TC the gas shows negative deviation at low pressure (attractions dominate) and positive deviation at high pressure (molecular size dominates). Hence PV first dips below the constant ideal line and then rises above it - graph (a). Ans: (a)

Stream:JEESubject:ChemistryTopic:Real GasSubtopic:Liquification & Critical Constants of Gases
⏱ 2mℹ️ Source: QB

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