Chemistry Crash Course COMEDK UGET>Chapter 15 - Solutions>Exercise 1>Q 72

EASY

COMEDK UGET

IMPORTANT

Earn 100

Van’t Hoff equation for osmotic pressure of dilute solution is given as______.

50% studentsanswered this correctly

Important Questions on Solutions

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 15 - Solutions>Exercise 1>Q 73

The equation that represents Van’t Hoff general solution equation is ____.

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 15 - Solutions>Exercise 1>Q 75

Which does NOT influence the solubility of a solid in a liquid solvent?

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 15 - Solutions>Exercise 1>Q 76

9 g

of glucose (molecular weight

= 180

) is dissolved in

90 g

of

H_{2} O

. Relative lowering of vapour pressure is______.

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 15 - Solutions>Exercise 1>Q 77

Vapour pressure of

{CCl}_{4}

at

25 ° C

is

143 mm

of

Hg .

0.5 g

of a non-volatile solute (molecular mass

= 65

) is dissolved in

100 mL

{CCl}_{4}

. Find the vapour pressure of the solution (Density of

{CCl}_{4} =1.58 g / {cm}^{3}

).

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 15 - Solutions>Exercise 1>Q 78

Benzene and toluene form nearly ideal solutions. At

20 ° C,

the vapour pressure of benzene is

75 torr

and that of toluene is

22 torr .

The partial vapour pressure of benzene at

20 ° C

for a solution containing

78 g

of benzene and

46 g

of toluene in

torr

is_______.

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 15 - Solutions>Exercise 1>Q 79

On dissolving

18 g

of a solid in

100 g H_{2} O

at

20 ° C,

water vapour pressure decreases from

17.53 mm

to

17.22 mm .

The molecular weight of solid is_______

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 15 - Solutions>Exercise 1>Q 80

The vapour pressure of acetone at

20 ° C

is

185 torr .

When

1.2 g

of a non-volatile substance was dissolved in

100 g

of acetone at

20 ° C,

its vapour pressure was

183 torr .

The molar mass of the substance in

g {mol}^{-1}

is________.

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 15 - Solutions>Exercise 1>Q 81

18 g

glucose (

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

) is added to

178.2 g

water. The vapour pressure of water (in

torr

) for this aqueous solution is _____ at

373 K

.