MCQ States Of Matter Chapter 5 Class 11 Chemistry

MCQ’s For All Chapters – Chemistry Class 11th

1. Dipole-dipole forces act between molecules possessing:

No dipole moment

Electronic charges

Permanent dipole

Induced dipole

Your comments:

Question 1 of 20

2. Partial charges are involved in:

Dipole-dipole forces

London forces

Dipole-induced dipole forces

Vander waals forces

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Question 2 of 20

3. Interaction energy associated with London force is

Proportional to the third power of the distance between two interacting particles.

Proportional to the sixth power of the distance between two interacting particles.

Inversely proportional to the sixth power of the distance between two interacting particles.

Inversely proportional to the third power of the distance between two interacting particles.

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Question 3 of 20

4. The force of attraction between two permanent dipoles is known as

Dipole - dipole force

London force

Repulsive force

Dipole Induced dipole force

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Question 4 of 20

5. Dipole-dipole interaction energy between stationary polar molecules is:

Inversely proportional to the third power of the distance between two interacting particles

Directly proportional to the third power of the distance between two interacting particles

Directly proportional to the sixth power of the distance between two interacting particles

Inversely proportional to the sixth power of the distance between two interacting particles

Your comments:

Question 5 of 20

6. For dipole-induced dipole forces, interaction energy is:

Inversely proportional to the third power of the distance between two interacting particles

Directly proportional to the third power of the distance between two interacting particles

Inversely proportional to the sixth power of the distance between two interacting particles

Directly proportional to the sixth power of the distance between two interacting particles

Your comments:

Question 6 of 20

7. London forces are important only at:

Distance between the two particles

Long distances

Short distances

Infinite distance

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Question 7 of 20

8. The strength of London forces do not increase with the increase in

The distance between two interacting particles

Surface area of molecule

Number of electrons

Molecular size

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Question 8 of 20

9. London forces are also known as

vander Waals forces

Dipole-dipole forces

Dispersion forces

Keesom forces

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Question 9 of 20

10. In dipole-induced dipole forces, the dipole moments (μ) of polar and non polar molecules are

μ = 0 and μ < 0

μ > 0 and μ = 0

μ < 0 and μ > 0

μ = 0 for both

Your comments:

Question 10 of 20

11. The influence of permanent electrical dipole in dipole-Induced Dipole forces

Depend on the ionic radii

Decreases with the decrease in size of the molecule

Increases with the increase in size of the molecule

Does not depend on the size of the molecule

Your comments:

Question 11 of 20

12. Magnitude of repulsion rises as the distance separating the molecules:

Remains constant

Increases

Has no effect on repulsion

Decreases

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Question 12 of 20

13. A strong type of dipole-dipole interaction is:

Electrostatic bond

Covalent bond

Ionic bond

Hydrogen bond

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Question 13 of 20

14. High polarisability increases the strength of:

Dipole-dipole forces

Dipole-induced dipole forces

Vander waals forces

London forces

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Question 14 of 20

15. The force of attraction between the polar molecules having permanent dipole and the molecules lacking permanent dipole is

Dipole Induced dipole force

Dipole - dipole force

Repulsive force

London force

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Question 15 of 20

16. Atoms and non-polar molecules are electrically:

Polarized

Ionized

Symmetrical

Unsymmetrical

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Question 16 of 20

17. Among the following, the force that is not included in vander Waals forces is

Dipole-dipole forces

Dipole-induced dipole forces

London forces

Covalent bond

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Question 17 of 20

18. A polar and a non-polar molecule interact by:

London forces

Dipole-induced dipole forces

Hydrogen bond

Dipole-dipole forces

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Question 18 of 20

19. The partial charges present on an atom are

Equal to the unit charge

Greater than the unit charge

Less than the unit charge

Does not depend on the unit charge

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Question 19 of 20

20. Dipole-dipole forces are:

Equal in strength to London forces

Stronger than London forces

Not comparable to London forces

Weaker than London forces

Your comments:

Question 20 of 20

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