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When a sample of gas is compressed at co...

When a sample of gas is compressed at constant temperature from 15 atm to 60atm, its volume changes from `76 cm^3 ` to `20.50 m^3`. Which of the following statements are possible explanations of this behaviour.
1. The gas behaves non-ideally
2. The gas dimerises
3. The gas is adsorbed into the vessel walls

A

a) 1,2 and 3

B

b) 1 and 2 only

C

c) 2 and 3 only

D

d) 1 only

Text Solution

Verified by Experts

The correct Answer is:
D
At constant temperature, for ideal gas,
`p_1V_1=p_2V_2`
For the given sample,
`15 times 76 =60 times 20.5`
`therefore p_1V_1 ne p_2V_2`
`therefore` The gas behaves non-ideally. However the gas neither undergo dimerisation nor absorbed into the vessel walls.
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