Solutions Test

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Solutions Test - 12

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Weekly Quiz Competition

Question 1
4 / -1

The movement of solvent molecules through a semipermeable membrane is called

A
electrolysis

B
electrophoresis

C
osmosis

D
cataphoresis
Question 2
4 / -1

The osmotic pressure of 0.2 molar solution of urea at 27°C ( R = 0.082 L atm mol^-1 K^-1 ) is

A
4.92 atm

B
1 atm

C
0.2 atm

D
27 atm
Question 3
4 / -1

Calculate the molar depression constant of a solvent which has freezing point 16.6°C and latent heat of fusion 180.75 Jg^-1

A
2.68

B
3.86

C
4.68

D
2.86
Question 4
4 / -1

X is dissolved in water. Maximum boiling point is observed when X is ... (0.1 M each )

A
CaSO₄

B
BaCl₂

C
NaCl

D
urea
Question 5
4 / -1

Which has minimum osmotic pressure ?

A
200 mL of 2 M NaCl solution

B
200 mL of 1 M glucose solution

C
200 mL of 2 M urea solution

D
All have same osmotic pressure
Question 6
4 / -1

Solution A contains 7 g/L of MgCl₂ and solution B contains 7 g/L of NaCl . At room temperature the osmotic pressure of

A
solution is A greater than B

B
both have same osmotic pressure

C
solution is B greater than A

D
cannot be determine
Question 7
4 / -1

A 2.0 molal sugar solution has approximately the same freezing point as a 1.0 molal solution of

A
CaCl₂

B
CH₃ COOH

C
C₂H₅OH

D
NaCl
Question 8
4 / -1

van't Hoff factor of aq. K₂ SO₄ at infinite dilution has value equal to

A
1

B
2

C
3

D
between 2 and 3
Question 9
4 / -1

van't Hoff factor more than unity indicates that the solute in solution has

A
dissociated

B
associated

C
Both (1) and (2)

D
cannot say anything
Question 10
4 / -1

Abnormal colligative properties are observed only when the dissolved non-volatile solute in a given dilute solution

A
is a non-electrolyte

B
offers an intense colour

C
associates or dissociates

D
offers no colour

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Re-Attempt Weekly Quiz Competition

Solutions Test - 12

Result

Solutions Test - 12

Score

-

Rank

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SHARING IS CARING

Question 1

electrolysis

electrophoresis

osmosis

cataphoresis

Question 2

4.92 atm

1 atm

0.2 atm

27 atm

Question 3

2.68

3.86

4.68

2.86

Question 4

CaSO4

BaCl2

NaCl

urea

Question 5

200 mL of 2 M NaCl solution

200 mL of 1 M glucose solution

200 mL of 2 M urea solution

All have same osmotic pressure

Question 6

solution is A greater than B

both have same osmotic pressure

solution is B greater than A

cannot be determine

Question 7

CaCl2

CH3 COOH

C2H5OH

NaCl

Question 8

1

2

3

between 2 and 3

Question 9

dissociated

associated

Both (1) and (2)

cannot say anything

Question 10

is a non-electrolyte

offers an intense colour

associates or dissociates

offers no colour

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CaSO₄

BaCl₂

CaCl₂

CH₃ COOH

C₂H₅OH