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Which of the following statements is wro...

Which of the following statements is wrong ?

A

Evaporation is a spontaneous process

B

Evaporation is a surface phenomenon

C

Vapour pressure decreases with increase of temperature

D

The vapour pressure of a solution is always less than the vapour pressure of a pure solvent

Text Solution

Verified by Experts

The correct Answer is:
C
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OP TANDON-STATES OF MATTER (GASES AND LIQUIDS)-Objective questions
  1. A 5 litre flask containing 1.0g of hydrogen is heated from 300 K to 60...

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  2. Association of molecules in water is due to:

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  3. Which of the following statements is wrong ?

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  4. Which one of the following is the wrong statement about the liquid ?

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  5. Water boils at lower temperature on high altitude because:

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  6. When a student was given a viscometer, the liquid was sucked with diff...

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  7. Mark the statement which is correct:

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  8. With the increasing molecular mass of a liquid the velocity:

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  9. The viscosity of which of the following liquid is the maximum.

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  10. The rise of a liquid in a capillary tube is due to :

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  11. If eta(1) and eta(2) are the coefficients of viscosity of two liquids,...

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  12. The rms speed of hydrogen molecules at room temperature is 2400 ms^(-1...

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  13. The molecules of which of the following gas have highest speed ?

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  14. Consider a mixture of oxygen and hydrogen kept at room temperature, As...

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  15. X mL of H(2) gas effuses through a hole in a container in 5 s. The tim...

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  16. If the universal gas constant is 8.3 joule mol^(-1) K^(-1) and the Avo...

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  17. If increase in temperature and volume of air ideal gas is two times, t...

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  18. The average kinetic energy of one molecule of an ideal gas at 27^(@)C ...

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  19. The respective speeds of five molecules are 2, 1.5, 1.6, 1.6 and 1.2 k...

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  20. If one mole of a monoatomic gas (gamma=5//3) is mixed with one mole of...

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