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Which of the following will show a negat...

Which of the following will show a negative deviation from Raoult's law ?

A

Acetone-benzene

B

Acetone-ethanol

C

Benzene-methanol

D

Acetone-chloroform

Text Solution

Verified by Experts

The correct Answer is:
D
`underset("Acetone")underset(CH_(3)-C-CH_(3))underset(||)(O)"-----------------" underset("Chloroform")underset(C Cl_(3))underset(|)(H)`
Acetone and chloroform will show a negative deviation due to their association after mixing.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-SOLUTIONS AND COLLIGATIVE PROPERTIES -Exercise 1 (Types of Solutions and Concentration of Solutions)
  1. At 80^(@)C the vapour pressure of pure liquid 'A' is 520 mm Hg and tha...

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  2. Relative loweringof vapour pressure of a dilute solution is 0.2. What ...

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  3. Which of the following will show a negative deviation from Raoult's la...

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  4. Mole fraction of vapour of A above solution in mixture of A and B(X(A)...

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  5. In which case Raoult's law is not applicable ?

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  6. Which of the following liquid pairs shows a positive deviation from Ra...

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  7. If two substances A and B have p(A)^(@): p(B)^(@) = 1:2 and have mole ...

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  8. Relative lowering in vapour pressure of solution containing non-volati...

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  9. The vapour pressure of pure benzene at a certain temperature is 640 mm...

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  10. If M is molecular of solvent, K(b) is molal elevation constant, T(b) i...

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  11. Solute is non-volatile and solvent molecule is volatile. Which of the ...

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  12. When two liquids A and B are mixed, their boiling points become greate...

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  13. Vapour pressure of C CL(4) at 25^@C is 143 mmHg 0.05g of a non-volatil...

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  14. The vapour pressure of two liquids P and Q are 100 and 50 torr, respec...

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  15. Which of the following plot obeys the Raoult's law for all concentrati...

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  16. At 40^(@)C the vapour pressure of pure liquids, benzene and toluene, a...

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  17. The solution which shows large positive deviation from Raoult's law fo...

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  18. 1xx10^(3)m" solution of Pt "(NH(3))(4)Cl(4) " in "H(2)O shows depress...

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  19. What happens to freezing point of benzene when nephthalens is added ?

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  20. A 5.25% solution of a substance is isotonic with a 1.5% solution of ur...

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