At constant temperature and 200 mm pressure, the volume of a gas is 4 liters. If the pressure is changed to 800 mm, the volume of the gas in liters will be:
A
4
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B
2
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C
1
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D
0.5
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Solution
The correct option is D 1 Since the temperature remains constant, Boyle's law is applicable. This means that, P1V1=P2V2 Here, P1=200mm V1=4L P2=800mm V2=?ml Putting all the values, we get V2=1L.