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An aqueous solution of methanol in water...

An aqueous solution of methanol in water has vapour pressure

A

equal to that of water

B

equal to that of methanol

C

more than that of water

D

less than that of water

Text Solution

Verified by Experts

The correct Answer is:
C
Methanol is a volatile substance, therefore aqueous solution of methanol in water has more vapour pressure than that of water.
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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. Which of the following azeotropic solutions has the boiling point less...

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  2. At 25^(@)C, the total pressure of an ideal solution obtained by mixing...

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  3. An aqueous solution of methanol in water has vapour pressure

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  4. Two liquids X and Y form an ideal solution. The mixture has a vapour p...

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  5. A solution of acetone in ethnol

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  6. Equal masses of methane and oxygen are mixed in an empty container at ...

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  7. One component of a solution follows Raoult's over the entire range 0le...

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  8. On a humid day in summer, the mole fraction of gaseous H(2)O (water va...

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  9. The vapour pressure of two liquids 'P' and 'Q' are 80 and 60 torr resp...

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  10. At 300 K the vapour pressure of an ideal solution containing 1 mole of...

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

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  12. A solution containing components A and B follows Raoult's law, when

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  13. At 80^(@)C the vapour pressure of pure liquid 'A' is 520 mm Hg and tha...

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

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

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

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

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

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

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

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