Beta Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>EXERCISE-2>Q 7

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If in a solvent, n simple molecules of solute combine to form an associated molecule, $α$ is the degree of association, the van't Hoff's factor is equal to:

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Beta Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>EXERCISE-2>Q 8

The molal boiling point constant of water is

{0.573}^{0} C kg m o l e^{- 1}

. When 0.1 mole of glucose is dissolved in 1000 gm of water, the solution boils under atmospheric pressure at:

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Beta Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>EXERCISE-2>Q 9

A solution of

0.450 g

of urea (mol. wt.

60

) in

22.5 g

of water showed

0.170 ° C

of elevation in boiling point, the molal elevation constant of water:

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Beta Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>EXERCISE-2>Q 10

The colligative properties of a dilute solution depend on

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Beta Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>EXERCISE-2>Q 12

For an ideal solution containing a nonvolatile solute, which of the following expressions represents the vapour pressure of the solution?

(x_{1} \to

mole fraction of solvent)

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Beta Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>EXERCISE-2>Q 13

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

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Beta Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>EXERCISE-2>Q 14

For a dilute solution containing a nonvolatile solute, the molar mass of solute evaluated from the osmotic pressure measurement is given as:

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Beta Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>EXERCISE-2>Q 15

An aqueous solution of acetone,

{CH}_{3} {COCH}_{3}

, is

10.00 %

acetone by weight. What is the mole percentage of acetone in this solution:

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Beta Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>EXERCISE-2>Q 17

P_{A} = (235 y - 125 xy) mm

of

Hg . P_{A}

is partial pressure of

A, x

is mole fraction of

B

in liquid phase in the mixture of two liquids

A

and

B

and

y

is the mole fraction of

A

in vapour phase, then

P_{B} °

in

mm

of

Hg

is: