Pyridine is less basic than triethylamine bec | vedclass

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(D) The basicity of amines is primarily due to the availability of a lone pair of electrons on the nitrogen atom for donation to a proton or Lewis aci

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In pyridine,lone pair of nitrogen is delocalized

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(D) The basicity of amines is primarily due to the availability of a lone pair of electrons on the nitrogen atom for donation to a proton or Lewis acid.In triethylamine,the lone pair on the nitrogen is localized and readily available for donation.In pyridine,the nitrogen atom is $sp^2$ hybridized,and its lone pair is part of the aromatic $\pi$-electron system (delocalized) to satisfy $H$ückel's rule.Because the lone pair is delocalized,it is significantly less available for protonation,making pyridine less basic than triethylamine.

Pyridine is less basic than triethylamine because

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