Theories of Covalent Bonding and Shapes of Molecules Quiz

Test your understanding of covalent bonding, molecular shapes, and the theories that explain them.

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1. Which of the following molecules is nonpolar despite having polar bonds?

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2. According to VSEPR theory, what is the molecular geometry of BF₃?

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3. Which hybridization is associated with a tetrahedral electron geometry?

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4. Which molecule has the shortest bond length?

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5. What is the bond angle in a molecule with a trigonal pyramidal shape?

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6. Which of the following molecules exhibits hydrogen bonding?

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7. Which theory explains the formation of sigma and pi bonds?

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8. Which molecule is linear?

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9. What is the hybridization of the central atom in SF₆?

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10. Which of the following has the highest bond energy?

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11. Which molecule has a dipole moment of zero?

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12. The concept of resonance is best described by:

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13. Which molecule has a bent shape?

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14. What is the bond order of O₂ according to Molecular Orbital Theory?

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15. What is the shape of a molecule with sp³d hybridization and one lone pair?

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16. Which of the following is paramagnetic?

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17. Which of the following molecules has the largest bond angle?

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18. Which of the following is an exception to the octet rule?

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19. Which theory explains the delocalization of electrons?

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20. Which molecule has a trigonal bipyramidal shape?

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21. What is the molecular geometry of XeF₄?

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22. Which hybridization is associated with a linear electron geometry?

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23. Which of the following molecules does not exhibit hydrogen bonding in its pure liquid state?

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24. What is the shape of a molecule with sp³d² hybridization and two lone pairs?

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25. Which molecule has the longest bond length among the following?

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26. Which molecule has the highest bond order?

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27. What is the hybridization of the central atom in XeF₂?

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28. Which molecule has a T-shaped geometry?

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29. Which of the following is an example of a molecule with an expanded octet?

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30. The strength of a covalent bond is directly related to:

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31. Which of the following has the weakest bond?

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32. What is the bond order of He₂⁺?

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33. Which of these molecules has the largest dipole moment?

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34. Which intermolecular force is the strongest?

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35. What is the molecular geometry of a molecule with sp³d hybridization and two lone pairs?

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36. Which molecule has the weakest bond?

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37. Which of the following species has the highest bond order?

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38. Which of the following is an example of a molecule that violates the octet rule by having fewer than eight electrons around the central atom?

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39. Bond enthalpy is a measure of:

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40. Which intermolecular force is present in all molecules?

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41. Which of the following is a correct representation of resonance?

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Topics included in this quiz are:

  • VSEPR Theory
  • Valence Bond Theory
  • Molecular Orbital Theory
  • Hybridization
  • Bond Energy (Enthalpy)
  • Dipole Moment
  • Bond Length

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