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Water and ethanol from non-ideal solutio...

Water and ethanol from non-ideal solution with positive deviation Raoult's law. This solution will have vapour pressure

A

equal to vapour pressure of pure water

B

less than vapour pressure of pure water

C

more than vapour pressure of pure water

D

less than vapour pressure of pure ethanol

Text Solution

Verified by Experts

The correct Answer is:
C
Due to the positive deviation fro, Raoult 's law .so ethanol and water escape easily showing higher vapour pressure than expected value.
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A2Z-SOLUTIONS-Raoult'S Law, Ideal And Non-Ideal Solutions, Azeotropes
  1. Which of the following is correct for a solution showing positive devi...

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  2. If liquids A and B from an ideal solution

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  3. Water and ethanol from non-ideal solution with positive deviation Raou...

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  4. Mole fraction of toluene in the vapour which is in equilibrium with a ...

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  5. For an ideal binary liquid solution with P(A)^@gtP(B)^@" "x(A)and y(A)...

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  6. Total Vapour pressure of mixture of 1molA(p(A)^(0)=150 "torr")and 2mol...

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  7. Which of the following is less than zero for ideal solutions ?

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  8. If Vapour pressure of pure liquids 'A' & 'B' are 300 and 800 torr res...

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  9. Which of the following shows negative deviation from Raoult's law?

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  10. A maximum or minima obtained in the temperature, composition curve of ...

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  11. A liquid is kept in a closed vessel. If a glass plate (negligible mass...

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  12. Given at 350K, p(A)^@=300 "torr" and p(B)^@=800 "torr" the composition...

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  13. The vapour pressure of the solution of two liquids A(P^@=80mm) and B(P...

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  14. In mixture A and B ,components show -ve deviations as:

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  15. If liquids A and B from an ideal solution, than :

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  16. Which liquids pair shows a positive deviation from Raoult's law?

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  17. Benzene and toluene form nearly ideal solutions.At 20^@C, the vapour p...

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  18. A mixture of ethyl alcohol and propyl alcohol has a vapour pressure of...

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  19. At 80^@C, the vapour pressure of pure liquid A is 520 mm Hg and that o...

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  20. The vapour pressure of water at20^@Cis 17.5mmHg.if 18gof glucose (C(6)...

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