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A solution containing 3.3g of a substanc...

A solution containing 3.3g of a substance in 125g of benzene (b.pt. = `80^@C`) boils at `80.66^@C`. If `K_b` for benzene is 3.28 K kg mol `l^(-1)` the molecular mass of the substance will be:

A

`130.20`

B

`129.20`

C

`132.20`

D

`131.20`

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The correct Answer is:
D
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AAKASH SERIES-SOLUTIONS -Objective Exercise -2
  1. An aqueous solution containing one gram of urea boils at 100.25^@C. Th...

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  2. A solution prepared by dissolving 0.8gm of naphthalene in 100g of C Cl...

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  3. A solution containing 3.3g of a substance in 125g of benzene (b.pt. = ...

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  4. An aqueous solution freezes at - 0.372^@C. If Kf and Kb for water are ...

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  5. Which of the following aqueous solutions should have the highest boili...

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  6. The depression in freezing point of 0.01 m aqueous solution of urea, s...

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  7. Molal depression constant is given by the expression:

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  8. To 500 "cm"^3 of water. 3.0 xx 10^(-3) kg of acetic acid is added. If ...

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  9. 'x' gm of solute (M. mass = 342) should be dissolved in 500gm of water...

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  10. The amount of ice that will separate out on cooling the solution conta...

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  11. A Solution of a non-volatile solute in water freezes at -0.30^@C. The ...

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  12. The molal freezing point constant for water is 1.86 K.kg "mole"^(-1). ...

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  13. The solution containing 6.8g of non-ionic solute in 100g of water was ...

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  14. Which of the following aqueous solution has highest freezing point ?

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  15. Molal depression constant for water is 1.86 K.Kg."mole"^(-1). The free...

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  16. If the osmatic pressure of human blood is 7.53 atm at 37^@C. Calculate...

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  17. Two solutions of glucose have osmotic pressures 1.5 and 2.5 atm. IL of...

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  18. A 5.25% solutions of a substance is isotonic with 1.5% solution of ure...

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  19. 0.004M Na(2)SO(4) is isotonic with 0.01M glucose. Degree of dissociati...

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  20. The osmotic pressure of the solution obtained by mixing 200 "cm"^3 of ...

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