Practice Hl: Electrophilic Substitution Of Aromatic Compounds (mechanism) (10.6)

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6 sample questions

Question 1.
Define electrophilic substitution.
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Think about what replaces the hydrogen.
Question 2.
What is a sigma complex?
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Remember, it's formed when aromaticity is lost.
3Question 3.
What is the main feature of electrophilic substitution?
- A. It adds atoms to the aromatic ring.
- B. It replaces hydrogen with an electrophile.
- C. It solely involves nucleophiles.
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Consider the nature of the reaction type.
4Question 4.
Is the formation of the sigma complex a fast or slow step?
- True
- False
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Think about what aromaticity means in this context.
Question 5.
Predict the product of the nitration reaction between benzene and nitric acid in the presence of sulfuric acid.
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Remember how the electrophile is generated.
Question 6.
Explain why Friedel-Crafts acylation is preferred over alkylation in some cases.
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Think about the stability of the products formed.

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