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Question: Answered & Verified by Expert
Compressibility factor Z=PVnRT is plotted against pressure



What is the correct order of liquefiability of the gases shown in the above graph?
ChemistryStates of MatterNEET
Options:
  • A H2<N2<CH4<CO2
  • B CO2<CH4<N2<H2
  • C H2<CH4<N2<CO2
  • D CH4<H2<N2<CO2
Solution:
2944 Upvotes Verified Answer
The correct answer is: H2<N2<CH4<CO2
Lesser is the value of Z at a pressure, easy will be the liquefaction of the gas. Z < 1 shows the dominance of attractive forces.
The order of liquefication as follows
H2<N2<CH4<CO2

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