Free Printable Colligative Property Assignment 4

1.

$\Delta T_b\ =?$

a)

$K_fM$

b)

$K_fN$

c)

$K_bm$

d)

$K_bM$

2.

ebullioscopic constant $K_b$ is depends on

a)

nature of solute

b)

concentration of solute

c)

nature of solvent

d)

none of the above

3.

Molecular weight of solute M₂and elevation of boiling point both are

a)

directly proportional to each other

b)

inversely proportional to each other

c)

none of the above

4.

Landberger's tube has an hole at middle because

a)

to enter the vapor from atmosphere

b)

to remove liquid

c)

to escape solute particles

d)

to escape excess vapors

5.

The temperature at which solid and liquid state of substance have same vapor pressure is called

a)

boiling point

b)

freezing point

c)

freezing point of solution

d)

triple point

6.

$\Delta T_f=?$

a)

$T_f-T_0$

b)

$T_0-T_f$

c)

$T_fT_0$

d)

$T_0^2-T_f$

7.

Molal freezing point constant or cryoscopic constant is define as depression in freezing point when

a)

$M\ =1$

b)

$n=1$

c)

$m=1$

d)

$K_f=1$

8.

Latent heat of fusion $L_f=?$

a)

$\frac{\Delta H_f}{M_1}$

b)

$\frac{\Delta H_f}{M_2}$

c)

$\frac{\Delta H_v}{M_1}$

d)

$\frac{\Delta H_v}{M_2}$

9.

Beckmann's Method is used to determine

a)

elevation in boiling point

b)

vapor pressure of liquid

c)

depression in freezing point

d)

osmotic pressure

10.

Semipermeable membrane allow _______molecule to pass through it.

a)

solute

b)

solvent

c)

both solute and solvent

11.

Chemical origin based semipermeable membrane is

a)

pig's Bladder

b)

thin slice of potato

c)

cellulose

d)

none of the above

12.

During osmosis

a)

solvent moves from high to low concentration solution

b)

solvent moves from low to high concentration solution

c)

solvent moves when energy is used

d)

solute moves from low to high concentration solution

13.

The excess pressure which is applied to solution side to strop osmosis is called

a)

Osmotic Pressure

b)

Atmospheric Pressure

c)

External Pressure

d)

Normal Pressure

14.

If applied pressure is greater than osmotic pressure then process is called

a)

Irreversible osmosis

b)

osmosis

c)

reverse osmosis

d)

none of the above

15.

Which of the following is colligative property

a)

osmosis

b)

reverse osmosis

c)

osmotic pressure

d)

pressure

Colligative Property Assignment 4

Total questions: 15

Worksheet time: 7mins

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