Home Chemistry Gaseous State ( Not In Syllabus ) NCERT A gas deviates from ideal behaviour at a hig…
Chemistry Gaseous State ( Not In Syllabus ) NCERT Single Correct MCQ
Published on: August 12, 2026

A gas deviates from ideal behaviour at a high pressure because its molecules

A
have kinetic energy
B
are bound by covalent bonds
C
attract one ‐ another
D
show the Tyndall effect

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Verified by Experts
The correct answer is:
C

Some attractive forces exist between the molecules of real gases. When a molecule

approaches the wall of the container it experiences an inward pull as a result of altercative forces exerted by the neighbouring molecules inside the vessel, therefore the obsessed pressure is less than the ideal pressure and hence gas deviates from ideal behaviour at high pressure.

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