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For a dilute solution containing 2.5 g o...

For a dilute solution containing 2.5 g of non-electroyte solute in 100g of water , the elevation in boiling point at 1 atm pressure is `2^(@)C` . Assuming concentration of solute is much lower than the concentration of solvent, the vapour pressure (mm of Hg) of the solution is (take `K_(b)=0.76 "mol"^(-1))`

A

724

B

740

C

736

D

718

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A
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Knowledge Check

  • 6 g. of a non volatile solute is dissolved in 90g. of water, such that the lowering in vapour pressure is 2%. The molecular weight of the solute is

    A
    65
    B
    92
    C
    60
    D
    80

  • The solution containing 6.8g of non-ionic solute in 100g of water was found to freeze at -0.93^(@)C . If K_(f) for water is 1.86, the molar Mass of solution is

    A
    13.6
    B
    68
    C
    34
    D
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  • The osmatic of solution containing non-volatile, non electrolyte solute is 7.6 atm at 27^(@)C then the boiling point of the same solution is _(Assume that molality and molarity are same)

    A
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    B
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    C
    `100.16^(0)`
    D
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