Solutions Test

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Solutions Test - 10

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Weekly Quiz Competition

Question 1
4 / -1

At 25°C, the highest osmotic pressure is exhibited by 0.1 M solution of

A
urea

B
glucose

C
KCl

D
CaCl₂
Question 2
4 / -1

A 6% solution of urea is isotonic with

A
1 M solution of glucose

B
0.05 M solution of glucose

C
6% solution of glucose

D
25% solution of glucose
Question 3
4 / -1

Which of the following is not a colligative property ?

A
Optical activity

B
Osmotic pressure

C
Depression of freezing point

D
Elevation of boiling point
Question 4
4 / -1

The increase in boiling point of a solution containing 0.6 g urea in 200 g water is 0.50°C. Find the molal elevation constant.

A
10 K kg mol^-1

B
10 K g mol^-1

C
10 K kg mol

D
1.0 K kg mol^-1

Solution
Question 5
4 / -1

Which is not a colligative property in the following ?

A
pH of a buffer solution

B
Boiling point elevation

C
Freezing point depression

D
Vapour pressure lowering
Question 6
4 / -1

Osmotic pressure of a solution at a given temperature

A
increases with concentration

B
decreases with concentration

C
remains same

D
initially increases and then decreases
Question 7
4 / -1

The vapour pressure of pure liquid A is 0.80 atm. When a non-volatile B is added to A its vapour pressure drops to 0.60 atm. The mole fraction of B in the solution is

A
0.125

B
0.25

C
0.5

D
0.75
Question 8
4 / -1

Highest boiling point is found in

A
0.1 M NaCl

B
0.1 M BaCl₂

C
0.1 M sucrose

D
0.1 M KCl
Question 9
4 / -1

Isotonic solutions have equal

A
vapour pressure

B
osmotic pressure

C
boiling point

D
freezing point
Question 10
4 / -1

Maximum lowering of vapour pressure is observed in the case of

A
0.1 M glucose

B
0.1 M BaCl₂

C
0.1 M MgSO₄

D
0.1 NaCl

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Solutions Test - 10

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Solutions Test - 10

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Question 1

urea

glucose

KCl

CaCl2

Question 2

1 M solution of glucose

0.05 M solution of glucose

6% solution of glucose

25% solution of glucose

Question 3

Optical activity

Osmotic pressure

Depression of freezing point

Elevation of boiling point

Question 4

10 K kg mol-1

10 K g mol-1

10 K kg mol

1.0 K kg mol-1

Solution

Question 5

pH of a buffer solution

Boiling point elevation

Freezing point depression

Vapour pressure lowering

Question 6

increases with concentration

decreases with concentration

remains same

initially increases and then decreases

Question 7

0.125

0.25

0.5

0.75

Question 8

0.1 M NaCl

0.1 M BaCl2

0.1 M sucrose

0.1 M KCl

Question 9

vapour pressure

osmotic pressure

boiling point

freezing point

Question 10

0.1 M glucose

0.1 M BaCl2

0.1 M MgSO4

0.1 NaCl

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CaCl₂

10 K kg mol^-1

10 K g mol^-1

1.0 K kg mol^-1

0.1 M BaCl₂

0.1 M BaCl₂

0.1 M MgSO₄