Alpha Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>Exercise-1>Q 41

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According to Henry's law, the solubility of a gas in a given volume of liquid increases with increase in:

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Alpha Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>Exercise-1>Q 43

The solubility of

N_{2} (g)

in water exposed to the atmosphere when its partial pressure is

N_{2} (g)

is

5.3 \times 10^{- 4} M

. Its solubility at

760 mm

and at the same temperature is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>Exercise-1>Q 44

For a binary ideal liquid solution, the total pressure of the solution is given as:

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Alpha Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>Exercise-1>Q 45

An ideal solution contains two volatile liquids A (P^o = 100 torr) and B (P^o = 200 torr). If mixture contain 1 mole of A and 4 mole of B then total vapour pressure of the distillate is :

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Alpha Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>Exercise-1>Q 46

At

323 K

, the vapour pressure in millimeters of mercury of a methanol-ethanol solution is represented by the equation,

p = 120 X_{A} + 140

, where

X_{A}

is the mole fraction of methanol. Then the value of

\lim_{x_{A} \to 1} (\frac{p}{X_{A}})

is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>Exercise-1>Q 47

Given at

350 K

,

P_{A}^{\circ} = 300 torr

and

P_{B}^{\circ} = 800 torr

, the composition of the mixture having a normal boiling point of

350 K

is

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Alpha Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>Exercise-1>Q 48

Two liquids

A

and

B

have

P_{A}^{\circ}

and

P_{B}^{\circ}

in the ratio of

1 : 3

and the ratio of the number of moles of

A

and

B

in liquid phase are

1 : 3

, then mole fraction of ‘

A

’ in vapour phase in equilibrium with the solution is equal to

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Alpha Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>Exercise-1>Q 49

The vapour pressure of the solution of two liquids

A (P^{\circ} = 80 mm)

and

B (P^{\circ} = 120 mm)

is found to be

100 mm

, when

X_{A} = 0.4

. The result shows that

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Alpha Question Bank for Engineering: Chemistry>Chapter 8 - Solutions>Exercise-1>Q 51

A solution of sulphuric acid in water exhibits: