Solutions Test

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Solutions Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

Minimum boiling azeotrope is form by the solution which show

A
Negative deviation from Raoult’s law

B
Positive deviation from Raoult’s law

C
Large positive deviation from Raoult’s law

D
Large negative deviation from Raoult’s law

Solution

Positively deviated non ideal solution forms Minimum boiling Point azeotropes.
Question 2
1 / -0

Which of the following statements is not true about ideal solutions?

A
There is no enthalpy change on mixing.

B
There is no volume change on mixing.

C
The interactions between the components are similar to those in the pure components.

D
The components show positive and negative deviations from Raoult's law.
Question 3
1 / -0

Which of the following solutions will show positive deviation from ideal behaviour?

A
Chloroform and diethyl ether

B
Ethyl alcohol and water

C
Acetone and aniline

D
Water and nitric acid
Question 4
1 / -0

The vapour pressure lowering of a solvent is proportional to

A
the mole fraction of the solute

B
the mole fraction of the solvent

C
the molality of the solvent

D
the normality of the solution
Question 5
1 / -0

In the phenomenon of osmosis through semi-permeable membrane,

A
solvent molecules pass from solution to solvent

B
solvent molecules pass from solvent to solution

C
solute molecules pass from solution to solute

D
solute molecules pass from solute to solution
Question 6
1 / -0

Which of the following is a colligative prope

A
Dipole moment

B
Change in free energy

C
Heat of vapourization

D
Osmotic pressure

Solution

Colligative property is dependent on no. of moles of solute. (Л=cRT)
Question 7
1 / -0

The rate at which a solid dissolves in liquid does not depend on

A
Temperature

B
Pressure

C
Particle size

D
Concentration

Solution

The rate at which a solid dissolves in liquid does not depend on pressure.
Question 8
1 / -0

How many grams of 2.0 M CH₃OH would have to be added to water to prepare 150 ml of its solution?

A
6.9g

B
4.3 g

C
9.6 g

D
2.4 g
Question 9
1 / -0

Two solutions have different osmotic pressures. The solution of higher osmotic pressure is called

A
Hypertonic solution

B
Isotonic solution

C
Isotropic solution

D
Hypotonic solution

Solution

Hypertonic solutions are having high Osmotic Pressure.
Question 10
1 / -0

Which of the following colligative properties can provide molar masses of proteins (or polymers or colloids) with the greatest precision?

A
Osmotic pressure

B
Elevation of boiling point

C
Depression of freezing point

D
Relative lowering of vapour pressure

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Solutions Test - 3

Result

Solutions Test - 3

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SHARING IS CARING

Question 1

Negative deviation from Raoult’s law

Positive deviation from Raoult’s law

Large positive deviation from Raoult’s law

Large negative deviation from Raoult’s law

Solution

Question 2

There is no enthalpy change on mixing.

There is no volume change on mixing.

The interactions between the components are similar to those in the pure components.

The components show positive and negative deviations from Raoult's law.

Question 3

Chloroform and diethyl ether

Ethyl alcohol and water

Acetone and aniline

Water and nitric acid

Question 4

the mole fraction of the solute

the mole fraction of the solvent

the molality of the solvent

the normality of the solution

Question 5

solvent molecules pass from solution to solvent

solvent molecules pass from solvent to solution

solute molecules pass from solution to solute

solute molecules pass from solute to solution

Question 6

Dipole moment

Change in free energy

Heat of vapourization

Osmotic pressure

Solution

Question 7

Temperature

Pressure

Particle size

Concentration

Solution

Question 8

6.9 g

4.3 g

9.6 g

2.4 g

Question 9

Hypertonic solution

Isotonic solution

Isotropic solution

Hypotonic solution

Solution

Question 10

Osmotic pressure

Elevation of boiling point

Depression of freezing point

Relative lowering of vapour pressure

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6.9g