30 MCQs on Chemical Bonds

Here are 30 MCQs on Chemical Bonds for your CSIR NET Life Science examination preparation:

MCQs

1. Which type of bond is formed between two atoms that share one or more pairs of electrons?

A) Ionic bond

B) Covalent bond

C) Metallic bond

D) Hydrogen bond

2. What is the primary force responsible for the formation of ionic bonds?

A) Electrostatic attraction

B) Electronegativity

C) Electron delocalization

D) Hydrophobic interaction

3. Which of the following is a characteristic of metallic bonds?

A) High melting point

B) Low electrical conductivity

C) High electron mobility

D) High reactivity

4. What is the term for the attractive force between a hydrogen atom bonded to a highly electronegative atom and another electronegative atom?

A) Hydrogen bond

B) Van der Waals force

C) Ionic bond

D) Covalent bond

5. Which type of bond is responsible for the structure and properties of water?

A) Hydrogen bond

B) Ionic bond

C) Covalent bond

D) Van der Waals force

6. What is the term for the phenomenon where non-polar molecules are attracted to each other in aqueous solutions?

A) Hydrophobic interaction

B) Hydrophilic interaction

C) Ionic interaction

D) Covalent interaction

7. Which of the following is a characteristic of covalent bonds?

A) High electronegativity difference

B) Low electron mobility

C) High bond energy

D) Low reactivity

8. What is the term for the attractive force between two molecules that arises from temporary dipoles?

A) Van der Waals force

B) Hydrogen bond

C) Ionic bond

D) Covalent bond

9. Which type of bond is formed between two atoms that have a large electronegativity difference?

A) Covalent bond

B) Ionic bond

C) Metallic bond

D) Hydrogen bond

10. What is the term for the energy required to break a chemical bond?

A) Bond energy

B) Bond length

C) Bond angle

D) Bond order

11. Which of the following is a characteristic of ionic bonds?

A) High electron mobility

B) Low melting point

C) High electronegativity difference

D) Low reactivity

12. What is the term for the attractive force between a cation and an anion?

A) Electrostatic attraction

B) Electronegativity

C) Electron delocalization

D) Hydrophobic interaction

13. Which type of bond is responsible for the structure and properties of DNA?

A) Hydrogen bond

B) Ionic bond

C) Covalent bond

D) Van der Waals force

14. What is the term for the phenomenon where polar molecules are attracted to each other in aqueous solutions?

A) Hydrophilic interaction

B) Hydrophobic interaction

C) Ionic interaction

D) Covalent interaction

15. Which of the following is a characteristic of metallic bonds?

A) Low electron mobility

B) High reactivity

C) High melting point

D) Low electrical conductivity

16. What is the term for the attractive force between two molecules that arises from permanent dipoles?

A) Dipole-dipole interaction

B) Hydrogen bond

C) Ionic bond

D) Covalent bond

17. Which type of bond is formed between two atoms that have a small electronegativity difference?

A) Covalent bond

B) Ionic bond

C) Metallic bond

D) Hydrogen bond

18. What is the term for the energy released when a chemical bond is formed?

A) Bond energy

B) Bond length

C) Bond angle

D) Bond order

19. Which of the following is a characteristic of covalent bonds?

A) High electronegativity difference

B) Low electron mobility

C) High bond energy

D) High reactivity

20. What is the term for the attractive force between two molecules that arises from induced dipoles?

A) Van der Waals force

B) Hydrogen bond

C) Ionic bond

D) Covalent bond

21. Which type of bond is responsible for the structure and properties of proteins?

A) Hydrogen bond

B) Ionic bond

C) Covalent bond

D) Van der Waals force

22. What is the term for the phenomenon where molecules are attracted to each other through electrostatic forces?

A) Electrostatic attraction

B) Electronegativity

C) Electron delocalization

D) Hydrophobic interaction

23. Which of the following is a characteristic of ionic bonds?

A) Low electronegativity difference

B) High electron mobility

C) High melting point

D High electronegativity difference 

24. Which type of bond is formed between two atoms that share a pair of electrons in a sigma (σ) orbital?

A) Covalent bond

B) Ionic bond

C) Metallic bond

D) Hydrogen bond

25. What is the term for the repulsive force between two atoms that arises from the overlap of their electron clouds?

A) Electron-electron repulsion

B) Nuclear-nuclear repulsion

C) Electrostatic attraction

D) Van der Waals force

26. Which of the following is a characteristic of hydrogen bonds?

A) High bond energy

B) Low electronegativity difference

C) High electron mobility

D) Weak and transient nature

27. What is the term for the attractive force between two molecules that arises from the interaction between a permanent dipole and a induced dipole?

A) Dipole-induced dipole interaction

B) Hydrogen bond

C) Ionic bond

D) Covalent bond

28. Which type of bond is responsible for the structure and properties of lipids?

A) Hydrogen bond

B) Ionic bond

C) Covalent bond

D) Van der Waals force

29. What is the term for the energy required to break a hydrogen bond?

A) Bond energy

B) Bond length

C) Bond angle

D) Hydrogen bond energy

30. Which of the following is a characteristic of Van der Waals forces?

A) High bond energy

B) Low electronegativity difference

C) High electron mobility

D) Weak and non-specific nature

Answers:

1. B) Covalent bond

2. A) Electrostatic attraction

3. C) High electron mobility

4. A) Hydrogen bond

5. A) Hydrogen bond

6. A) Hydrophobic interaction

7. C) High bond energy

8. A) Van der Waals force

9. B) Ionic bond

10. A) Bond energy

11. C) High electronegativity difference

12. A) Electrostatic attraction

13. A) Hydrogen bond

14. A) Hydrophilic interaction

15. C) High melting point

16. A) Dipole-dipole interaction

17. A) Covalent bond

18. A) Bond energy

19. C) High bond energy

20. A) Van der Waals force

21. A) Hydrogen bond

22. A) Electrostatic attraction

23. C) High melting point

24. A) Covalent bond

25. A) Electron-electron repulsion

26. D) Weak and transient nature

27. A) Dipole-induced dipole interaction

28. D) Van der Waals force

29. D) Hydrogen bond energy

30. D) Weak and non-specific nature