Analyze the two statements below regarding basicity: (a) Pyridine and pyrrole are both weak bases, but pyridine is significantly more basic than pyrrole. (b) The lone pair associated with nitrogen in pyridine resides in an sp2 orbital and is not delocalized into the aromatic π system, whereas in pyrrole, the lone pair on nitrogen is part of the aromatic 6π-electron system.

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Chemistry · Heterocyclic Chemistry

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Both (a) and (b) are true, and (b) is the correct explanation of (a).

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