Practice Resonance Effect (8.7.7) - Organic chemistry – some Basic Principles and Techniques

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6 sample questions

Question 1.
What is the resonance effect?
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Think about how π-bonds and lone pairs interact.
Question 2.
Name one example of a molecule showing +R effect.
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Consider groups that donate electrons.
3Question 3.
The resonance effect describes the polarity produced due to what?
- Interaction of σ-bonds
- Interaction of lone pairs
- Interaction of π-bonds
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Focus on the type of bonds involved.
4Question 4.
True or False: Positive resonance effect increases electron density at a position in the molecule.
- True
- False
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Consider what happens when electron donors are involved.
Question 5.
Describe how the presence of substituents affects the resonance structures of benzene derivatives.
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Consider how different groups like -OH or -NO2 behave.
Question 6.
Illustrate why compounds with greater resonance stability have lower energy compared to their contributing structures.
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Think about energy distribution across several structures.

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