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The molal elevation constant is the rati...

The molal elevation constant is the ratio of the elevation in boiling point to

A

Molarity

B

Molality

C

Mole of fraction of solute

D

Mole fraction of solvent

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B
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Statement-I : Molal elevation constant depends on the nature of solvent. Because Statement-II: Molal elevation constant is the elevation in boiling point when 1 mole of the solute is dissolved in 1 kg of solvent.

A' gram of non-volatile, non-electrolyte (molar mass M) is dissolved in 200 ml of unknown solvent (density =1.25 gm//ml molal elevation constant is K_(b) ) .Elevation in boiling point of this solution can be given by

Which is having highest elevation in boiling point?

Y g of non-volatile organic substance of molecular mass M is dissolved in 250 g benzene. Molal elevation constant of benzene is K_(b) . Elevation in its boiling point is given by:s

Fill in the blanks choosing appropriate word/words from these given in the brackets : (increases, decreases, the highest, the lowest, elevation, directly depression, molality, mole fraction, gt 1, lt 1, DeltaV, DeltaS , number of solute particles, nature of solute particles, hypotonic, T, - 3.72^(@)C, -1.86^(@)C , zero, one, two, more than, less than, 1 kg, 1 mole, molal, same extent, solution, equivalent.) Molal elevation constant, K_(b) for a solvent is the elevation in its boiling point when .............. of a solute is dissolved in ............. of the solvent.

1g of a non-volatile non-electrolyte solute is dissolved in 100g of two different solvents A and B whose ebullioscopic constants are in the ratio of 1 : 5. The ratio of the elevation in their boiling points, (DeltaT_(b)(A))/(DeltaT_(b)(B)) is

The molal elevation constant of water = 0.52 K m^(-1) . The boiling point of 1.0 molal aqueous KCl solution (assuming complete dissociation of KCl ) should be

The molal elevation constant of water = 0.52 K m^(-1) . The boiling point of 1.0 molal aqueous KCl solution (assuming complete dissociation of KCl ) should be

Which solution will show maximum elevation in boiling point?

For a dilute solution containing a nonvolatile solute, the molar mass of solute evaluated from the elevation of boiling point is given by the experssion:

VMC MODULES ENGLISH-LIQUID SOLUTION -ENABLE
  1. Which is not a colligative property?

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  2. Which condition is not satisfied by an ideal solution?

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  3. The molal elevation constant is the ratio of the elevation in boiling ...

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  4. What would be the freezing point of aqueous solution containing 17 g o...

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  5. The vapour pressure of two pure liquids (A) and (B) are 100 torr and 8...

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  6. How many grams of a non volatile solute having a molecular mass of 90 ...

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  7. An azeotropic solution of two liquid has boiling point lower than eith...

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  8. Mole fraction of A vapours above ideal solution in mixture of A and B ...

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  9. An aqueous solution of sucrose (C(12)H(22)O(11)) having a concentratio...

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  10. 0.6 g of a solute is dissolved in 0.1 L of a solvent which develops an...

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  11. A solution containing 3.3g of a substance in 125g of benzne (b.pt = 80...

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  12. The molal boiling point constant for water is 0.513 K m^(-1). When 0.1...

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  13. What is the molality of solution of a certain solute in a solv...

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  14. The amount of urea to be dissolved in 500 c.c. of water (K(f) H(2)O = ...

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  15. The freezing point of a 0.05 molal solution of non-electrolyte in wate...

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  16. The molal freezing point constant of water is 1.86 K m^(-1). If 342 g...

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  17. A 0.5 molal solution of ethylene glycol in water is used as coolant in...

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  18. 6 g of a substance is dissolved in 100 g of water depresses the freezi...

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  19. 0.1 mole of sugar is dissolved in 250 g of water. The freezing point o...

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  20. The relationship between osmotic pressure (P) at 273 K when 10g glucos...

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