Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 18

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Calculate the mole fraction of toluene in the vapour phase which is in equilibrium with a solution of benzene and toluene having a mole fraction of toluene $0.5$ . (The vapour pressure of pure Benzene is $119$ torr and that of toluene is $37$ torr at the same temperature)

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 19

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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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 20

Two liquids having vapour pressures

P_{1} °

and

P_{2} °

in pure state in the ratio of

2 : 1

are mixed in the molar ratio of

1 : 2

The ratio of their moles in the vapour state would be

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 21

In ideal solution of non volatile solute

B

in solvent

A

in

2 : 5

molar ratio has vapour pressure

250 mm

. If a another solution in ratio

3 : 4

prepared then vapour pressure above this solution

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 22

The vapour pressure of a solution having

2.0 g

of solute

X

(gram atomic mass=

32 g {mol}^{- 1}

) in

100 g of {CS}_{2}

(Vapour pressure

= 854 torr

) is

848.9 torr

. The molecular formula of the solute is

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 23

A pressure cooker reduces cooking time for food because

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 24

What would be the osmotic pressure at

25 ° C

of an aqueous solution containig

1.95 g

of sucrose

(C_{12} H_{22} O_{11})

resent in

150 ml

of solution?

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 25

The vapour pressure of a dilute aqueous solution of glucose is

750 mmHg

at

373 K

. Calculate the mole fraction of solute. (The vapour pressure of pure water is

760 mmHg

at

373 K

)

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Gamma Question Bank for Medical Chemistry>Chapter 16 - Solutions>Assignment>Q 26

In the case of osmosis, solvent molecules move from solution having