Home Chemistry Chemical Equilibrium All Topic Question for Revision Test When a volatile liquid is placed into an eva…
Chemistry Chemical Equilibrium All Topic Question for Revision Test Single Correct MCQ
Published on: August 12, 2026

When a volatile liquid is placed into an evacuated container at a particular temperature both

evaporation and condensation take place simultaneously. The system reaches equilibrium state when

A
equal amount of liquid and vapour are present
B
liquid is completely transformed into vapour
C
the rate of evaporation becomes equal to the rate of condensation
D
liquid cannot be commented into vapour and vice-versa

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Verified by Experts
The correct answer is:
C

Since, the equilibrium in a system is established when rate of forward reaction is equal to the

rate of backward reaction. Hence, the rate of evaporation because equal to the rate of condensation.

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