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Boiling point fo chloroform was raised b...

Boiling point fo chloroform was raised by `0.323K`,when`0.5143g` of anthrance was dissolved in `35g`of chloroform .Molecular mass of anthracene is
`(K_(b)forCHCl_(3)=3.9 "K.kg mol"^(-1))`

A

79.42 g/mol

B

132.32 g/mol

C

177.42 g/mol

D

242.32 g/mol

Text Solution

Verified by Experts

The correct Answer is:
C
`2KI+HgI_(2)rarr K_(2)[HgI_(4)]`
`to` Nessler.s reagent `[HI_(4)]rarr`
this is of case association so F.P. will be raised
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NARAYNA-SOLUTIONS & COLLIGATIVE PROPERTIES -EXERCISE : 3
  1. Colligative properties

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  2. The molal freezing point constant for water is 1.86^(@)C//m. Therefore...

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  3. Boiling point fo chloroform was raised by 0.323K,when0.5143g of anthra...

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  4. Two bottles A and B contain 1M and 1m aqueous solution of sulphuric ac...

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  5. van't Hoff factor more than unity indicates that the solute in solutio...

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  6. The order of boiling point of four equimolar aqueous solutions is C lt...

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  7. Which of the following azeotropic solutions has the boiling point less...

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  8. A solution has an osmotic pressure of 0.821 atm at 300 K. Its concentr...

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  9. An azeotropic mixture of HCl and water has

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  10. Which of the following aqueous solution has the highest boiling point

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  11. Which one of the following pairs of solution can we expect to be isoto...

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  12. The molarity of a solution obtained by mixing 800 mL of 0.5 M HCl with...

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  13. Which of the following colligative property can provide molar mass of ...

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  14. When non-ideal solution was prepared by mixing 30 mL chloroform and 50...

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  15. The amount of solute (molar mass 60 g mol^(-1)) that must be added to ...

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

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

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

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  19. 6.02xx10^(20) molecules of urea are present in 100 ml of its solution....

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

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