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'x' gm of solute (M. mass = 342) should ...

'x' gm of solute (M. mass = 342) should be dissolved in 500gm of water so as to get a solution having difference of `105^@C` between freezing point and boiling point, then 'x' is

A

159

B

259

C

359

D

459

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-SOLUTIONS -Objective Exercise -2
  1. Molal depression constant is given by the expression:

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

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

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

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

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

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

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

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

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

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

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

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  13. 0.004M Na(2)SO(4) is isotonic with 0.01M glucose. Degree of dissociati...

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

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  15. A 5% solution of cane suger is isotonic with 0.5% of X. The molecular ...

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  16. The Van't Hoff factor for 0.1 M Ba(NO3)2 solution is 2.74. The degree ...

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  17. If BaCl(2) ionizes to an extent of 80% in aqueous solution,the value o...

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  18. A decimolar solution of K4[Fe(CN)6] at 300K is 50% dissociated, then, ...

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  19. A solution containing 25.6gm of sulphur dissolved in 1000gm of naphtha...

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  20. van't Hoff factor of a 0.5% (w/w) aqueous solution of KCl which freeze...

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