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- Help me answer: Choose the correct statement with respect to the vapour pressure of a liquid among the following :
- #States of matter
- #All India Pre Medical Test
- #Joint Entrance Examination Main
- #Engineering
- #Chemistry
Choose the correct statement with respect to the vapour pressure of a liquid among the following :
- Option 1)
Increases linearly with increasing temperature
- Option 2)
Increases non-linearly with increasing temperature
- Option 3)
Decreases linearly with increasing temperature
- Option 4)
Decreases non-linearly with increasing temperature
Answers (1)
As we have learnt,
Kinetic Theory of Gases -
Average kinetic energy of the gas molecules is directly proportional to the absolute temperature.
-
As temperature increases kinetic enerygy of moleclues also increases, and the moleclues can escape from the surface of liquid to the vapour Phase which will result in higher vapour pressure which will result in higher vapour pressure. So, Vapour pressure increases non-linearly with increse in temperature.
Option 1)
Increases linearly with increasing temperature
Option 2)
Increases non-linearly with increasing temperature
Option 3)
Decreases linearly with increasing temperature
Option 4)
Decreases non-linearly with increasing temperature
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