A) Pyridine has aromatic character
B) Nitrogen in pyridine is \[s{{p}^{2}}\] hybridized
C) Pyridine is a cyclic system
D) In pyridine, lone pair of nitrogen is delocalized
Correct Answer: D
Solution :
Basicity of amines is due to availability of an unshared pair (lone pair) of electrons on nitrogen. This lone pair of electrons is available for the formation of a new bond with a proton or Lewis acid. Pyridine is less basic than triethylamine because lone pair of nitrogen in pyridine is delocalised.
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