PCH 204University of IbadanNov 3, 2026
Stereochemistry Cheatsheet
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Practice Exam
89+ Questions
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Executive Topic Summary
High-yield cheatsheet and core concepts for PCH 204.
High-Yield Exam Takeaways
- Core Definitions
- Chirality Fundamentals
- Cyclic Stereoisomerism
- Optical Activity & Measurement
- Enantiomer Properties
- Cahn-Ingold-Prelog (CIP) Priority Rules
- Fischer Projections
- Multiple Chiral Centers
- Stereoisomer Counting
Sample Practice Questions (Active Recall)
Q1.Which term describes molecules that share identical connectivity but differ exclusively in their three-dimensional spatial arrangement?
APositional isomers
BStereoisomers
CConformational isomers
DConstitutional isomers
Q2.What property distinguishes a pair of enantiomers from all other stereoisomer relationships?
ANon-superimposable mirror images
BDifferent physical properties in all respects
CRotation of plane-polarized light in opposite directions
DIdentical melting points and boiling points
Q3.Which structural feature must be present for a compound to exhibit optical activity?
AAn aromatic substituent
BA carbon-carbon double bond
CA cyclic ring system
DChirality in the molecular structure
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