Valence Shell Electron Pair Repulsion (VSEPR) Theory Quiz Online Practice Test

1. What determines the shape of a molecule?

2. What is the molecular shape of NH₃?

3. In sp³d hybridization, how many orbitals participate?

4. What constitutes a double bond?

5. Which of the following molecules has the correct geometry?

6. Identify the shape of the H₂O molecule:

7. What is the bond angle in a linear molecule?

8. Which molecule has a bond enthalpy of 435.8 kJ mol⁻¹?

9. The strength of a covalent bond is directly related to the ___________ of overlapping orbitals.

10. What is the excited state electronic configuration of carbon?

11. What type of bond exists between the hydrogen atoms in an H₂ molecule?

12. A pi-bond is characterized by ________.

13. Which type of overlap does not lead to bond formation?

14. A positive overlap is equivalent to ________.

15. Identify the molecule that is not homonuclear and diatomic.

16. Which molecule exhibits 120° bond angles?

17. Identify the species with a trigonal planar shape.

18. Which molecular species exhibits a linear geometry?

19. In a regular octahedral molecule MX₆, how many X-M-X bonds have an angle of 180°?

20. Which molecule has the smallest bond angle?