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Question: Answered & Verified by Expert

Among the gases a, b, c, d, e and f, the gases that show only positive deviation from ideal behavior at all pressures in the graph are

ChemistryStates of MatterAP EAMCETAP EAMCET 2022 (04 Jul Shift 1)
Options:
  • A b, c only
  • B b, c, a only
  • C d, e only
  • D d, e, f only
Solution:
2175 Upvotes Verified Answer
The correct answer is: b, c only

When Z < 1, it is a negative deviation. It shows that the gas is more compressible than expected from ideal behaviour. When Z > 1, it is a positive deviation. It shows that the gas is less compressible than expected from ideal behaviour. Only b and c gases showing exclusive positive deviation.

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