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The boiling point of 0.2 mol kg^(-1) sol...

The boiling point of `0.2 mol kg^(-1)` solution of `X` in water is greater than equimolal solution of `Y` in water. Which of the following statements is true in this case?

A

Molecular mass of X is less than the molecular mass of Y

B

X is undergoing dissociation in water while X undergoes no change.

C

X is undergoing dissociation in water

D

Molecular mass of X is greater then the molecular mass of Y.

Text Solution

Verified by Experts

The correct Answer is:
C
`Delta T_(b)=ik_(b)m`
`rArr Delta T_(b) prop i`
`igt 1` for dissociation
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NARAYNA-SOLUTIONS & COLLIGATIVE PROPERTIES -EXERCISE : 3
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  5. The amount of solute (molar mass 60 g mol^(-1)) that must be added to ...

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  6. Which of the following compounds has the lowest melting point ?

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  7. The freezing point depression constant for water is 1.86^(@)K Kgmol^(-...

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  8. Vapour pressure of pure chloroform (CHCl(3)) and dichloromethane (CH(2...

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  9. 6.02xx10^(20) molecules of urea are present in 100 ml of its solution....

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  10. How many grams of concentrated nitric acid solution should be used to ...

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  11. Among the following 0.10 m aqueous solutions, which one will exhibit t...

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  12. What is the mole fraction of the solute in a 1.00 m aqueous...

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  13. What is the mass of the precipitate formed when 50 mL of 16.9% solutio...

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  14. The boiling point of 0.2 mol kg^(-1) solution of X in water is greater...

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  15. Which of the following electrolytes has the same value of van't Hoff f...

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  16. Which one is not equal to zero for an ideal solution?

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  17. Which one of the following is incorrect for ideal solution?

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  18. The van't hoff factor (i) for a dilute aqueous solution of the strong ...

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  19. At 100^(@)C the vapour pressure of a solution of 6.5g of an solute in ...

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  20. Consider the following liquid-vapour equilibrium. "Liquid" hArr "Vap...

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