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Benzoic acid is dissolved in benzene, va...

Benzoic acid is dissolved in benzene, van't Hoff factor will be

A

`1`

B

`0.5`

C

`1.5`

D

`2`

Text Solution

Verified by Experts

The correct Answer is:
B
When benzoic acid dissolve in benzene it will dimerise bue to the intermolecular hydrogen bonding
`2C_(6)H_(5)COOHoverset("Benzene")to(C_(6)H_(5)COOH)_(2)`
van't Hoff factor
`=("number of particles after association or dissociation")/("number of prticles before association or dissociation")`
`=(1)/(2)=0.5`
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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. KBr is 180% dissociated in aqueous solution of 0.5m concentration. (...

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  2. The vapour pressure of water at 23^(@)C is 19.8 mm of Hg 0.1 mol of gl...

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  3. Benzoic acid is dissolved in benzene, van't Hoff factor will be

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  4. Mark the correct option for the K(f) . I. K(f) depends on nature of...

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  5. Osmotic pressure present in the fluid inside the blood cell is equival...

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  6. Match the laws given in Column I with expressions given in Column II. ...

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  7. Lowering of vapour pressure is highest for

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  8. If the elevation in boiling point of a solution of 10 g of solute (mol...

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  9. The vapour pressure of water at 20^(@)C is 17.54mm. When 20g of non - ...

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

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

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

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

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  14. Colligative properties of a solution depends upon

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

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

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

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

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  19. 60g of urea is dissolved in 1100g solution. To keep DeltaT//K(f)" as "...

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

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