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Sunday, February 9, 2020

Why thionyl chloride behaves as Lewis acid as well as Lewis base?.


Hybridization of sulphur in SOCI2 is sp3 having three bond pair and one lone pair.
Lewis base character is due to the presence of a lone pair of electrons. In SOCl2, the central atom sulphur atom has vacant d orbitals. Hence it can accept electron pairs. Therefore it can behave as a Lewis acid.

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