SAT II Chemistry Exam Prep

Category - Multiple Choice

Which if the following molecules displays sp3 hybridization?
  1. BF3
  2. C2H4
  3. CCl4
  4. C2H2
  5. PF5
Explanation
Answer: CCl4

Hybridization involves the combination of multiple orbitals to form several new, equal-energy orbitals. The hybridization around a particular atom in a molecule is the number of substituents plus the number of lone pairs of electrons on that atom. However, hybridization is not expressed as a number, but rather with the “s, p, d” system. sp3 hybridization indicates that there are four substituents or lone pairs. In the context of the question, the only molecule that fits this description is CCl4.
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