All SAT II Chemistry Resources
Example Questions
Example Question #1 : Molecules
Based on VSEPR theory and electron configurations, which of the following molecules is not matched with its correct geometry?
Possible Answers:
- Trigonal planar
- Linear
- Linear
- Tetrahedral
- Bent (v-shaped)
Correct answer:
- Trigonal planar
Explanation:
has three bonding pairs and one non-bonding pair, which is the geometry for trigonal pyramidal, not trigonal planar.
Example Question #2 : Molecules
What is the molecular geometry of ?
Possible Answers:
Square planar
Tetrahedral
Trigonal pyramidal
Square pyramidal
Octahedral
Correct answer:
Square pyramidal
Explanation:
There are six electron domains in . has five bonding and one nonbonding pairs of electrons. The electron domain geometry of is octahedral. When a molecule has octahedral electron domain geometry and has five bonding and one nonbonding pairs, the molecular geometry is square pyramidal.
All SAT II Chemistry Resources
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