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The correct order of increasing boiling ...

The correct order of increasing boiling points of the following aqueous solutions `0.0001MNaCl(I)," 0.0001M Urea (II) ", 0.001MMgCl_(2)(III)," 0.01MNaCl(IV) is"`

A

`I lt II lt III lt IV`

B

`IV lt III lt II lt I`

C

`II lt I lt III lt IV`

D

`III lt II lt IV lt I`

Text Solution

Verified by Experts

The correct Answer is:
C
`:.` Order of ionisation is
`underset((IV))("0.01 M NaCl")gtunderset((III))("0.001 M MgCl"_(2))gtunderset((I))("0.0001 M NaCl")gtunderset((II))("0.0001 M Urea")`
`:.` Order of boiling point will also be the same.
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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. The vapour pressure of water at 20^(@)C is 17.54mm. When 20g of non - ...

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  2. The osmotic pressure of a 5% (weight// volume) solution of cane sugar...

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  3. The freezing point of 0.1 M solution of glucose is -1.86^(@)C. If an e...

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  4. At 10^(@)C, the osmotic pressure of urea solution is 500 mm.The soluti...

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  5. An aqueous solution freezes at -0.186^(@)C (K(f)=1.86^(@) ,K(b)=0.512^...

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  6. Colligative properties of a solution depends upon

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  7. In coparison to a 0.01 M solution of glucose, the depression in freezi...

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  8. Which of the following aqueous solution should have the highest boilin...

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  9. In which case van't Hoff factor is maximum ?

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  10. Ratio of DeltaT(b)//K(b) for 6% AB(2) "and" 9% A(2)B (AB(2) "and" A(2)...

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  11. 60g of urea is dissolved in 1100g solution. To keep DeltaT//K(f)" as "...

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  12. Osmotic pressure of insulin solution at 298 K is found to be 0.0072atm...

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  13. Which of the following is not a colligative property ?

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  14. K(f) for water is 1.86 K kg mol^(-1). IF your automobile radiator hold...

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  15. The highest osmotic pressure corresponds to the which of the following...

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  16. The correct order of increasing boiling points of the following aqueou...

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  17. To observe an elevation of boiling point of 0.05^(@)C, the amount of a...

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  18. Which of the following aqueous solutions has the highest freezing poin...

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  19. After adding non-volatile solute, freezing point of water decreases to...

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

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