Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 9

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An ideal solution was obtained by mixing methanol and ethanol. If the partial vapour pressure of methanol and ethanol are 2.619 kPa and 4.556 kPa respectively, the composition of vapour (in terms of mole fraction) will be

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 10

Azeotropic mixture:

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 11

An azeotropic mixture of two liquids boils at a lower temperature than either of them when

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 12

The azeotropic mixture of water

(b . p . 100 ° C)

and

HCl (b . p . 85 ° C)

boils at

108.5 ° C

. When this mixture is distilled it is possible to obtain?

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 14

The vapour pressure of a solvent decreased by

10 mm Hg

when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is

0.2

. What would be the mole fraction of the solvent, if decrease in vapour pressure is

20 mm of Hg

?

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 15

Vapour pressure of a solution of

5 g

of non-electrolyte in

100 g

of water at a particular temperature is

2985 N m^{- 2}

. The vapour pressure of pure water is

3000 N m^{- 2}

, then the molecular weight of the solute(in

g

) is

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 18

18 g

of glucose (

C_{6} H_{12} O_{6}

) is added to

178.2 g

of water. The vapour pressure of water for this aqueous solution at

10 0^{\circ} C

is

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 23

K_f for water is

1.86 Kkg

{mole}^{- 1}

. If your automobile radiator holds

1.0 kg

of water, how many grams of ethylene glycol

(C_{2} H_{6} O_{2})

must you add to get the freezing point of the solution lowered to

- 2.8 ° C ?

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Beta Question Bank for Medical: Chemistry>Chapter 8 - Solutions>EXERCISE-III (Analytical Questions)>Q 24

Osmosis of

A

into solution

B

will not take place if:-