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2 cards from this section. Quick, good the night before a test.
Define torsional strain.
Think about the arrangements of atoms getting too close.
What is a staggered conformation?
Focus on maximum separation.
What type of conformation is more stable?
Which arrangement minimizes the repulsion?
Torsional strain leads to an increase in what?
Think about how the arrangement of atoms leads to strain.
Compare the stability of staggered and eclipsed conformations of butane. What is the energy difference?
Consider how the arrangement of hydrogen atoms affects their interactions.
Using molecular models, construct and visualize the staggered and eclipsed conformations of ethylene. Explain the implications of torsional strain in these structures.
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