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Questions and Answers
What is the role of the lone pair of electrons on the nitrogen atom in pyridine?
What is the role of the lone pair of electrons on the nitrogen atom in pyridine?
What is the structure of pyridine?
What is the structure of pyridine?
Where does pyridine occur in nature?
Where does pyridine occur in nature?
What can be derived theoretically from benzene by replacing a methine group with a nitrogen atom?
What can be derived theoretically from benzene by replacing a methine group with a nitrogen atom?
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Which type of hybridization does the ring nitrogen have in pyridine?
Which type of hybridization does the ring nitrogen have in pyridine?
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Study Notes
Pyridine Structure and Properties
- The lone pair of electrons on the nitrogen atom in pyridine is involved in the π-bonding system, contributing to the aromaticity of the ring.
- Pyridine has a planar, hexagonal ring structure, similar to benzene, with a nitrogen atom replacing one of the carbon atoms.
Occurrence and Derivatives
- Pyridine occurs naturally in certain plants and is also found in tobacco smoke and coffee.
- Pyridine can be derived theoretically from benzene by replacing a methine group (CH) with a nitrogen atom.
Nitrogen Hybridization
- The ring nitrogen in pyridine exhibits sp2 hybridization.
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Description
Test your knowledge on six-membered heterocyclic rings with a focus on pyridine and its derivatives. Learn about the theoretical derivation of pyridine from benzene and the wide distribution of compounds containing the pyridine ring in nature.
