What happens when a fixed amount of oxygen gas is taken in a cylinder compressed at constant temperature?

(a) Number of collisions of oxygen molecules at per unit area of the wall of the cylinder increase.
(b) Oxygen $(O_{2})$ gets converted into ozone $(O_{3})$ .
(c) Kinetic energy of the molecules of oxygen gas increases.

a and c

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b and c

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c only

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a only

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Solution

The correct option is D a only
When the oxygen gas is taken in a cylinder compressed at constant temperature, only the number of collisions of oxygen molecules per unit area of the wall increases due to compression.
Oxygen ( $O_{2}$ ) doesn't convert into ozone ( $O_{3}$ ) at this condition.
Kinetic energy depends on temperature. Hence it won't change.
Option D is correct.

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