MCQ
Pyridine is less basic than triethylamine because
  • A
    Pyridine has aromatic character
  • B
    Nitrogen in pyridine is $s{p^2}$ hybridized
  • C
    Pyridine is a cyclic system
  • In pyridine, lone pair of nitrogen is delocalized

Answer

Correct option: D.
In pyridine, lone pair of nitrogen is delocalized
d
(d) 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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