. Which of the following has pπ dπ bonding
(a) NO3
(b) SO32-
(c) BO33-
(d) CO32-
Best Answer
Correct Option is: (B)
The central atom Sulphur is sp3 hybridised in sulphite ion. Electronic structure of S atom in excited state
The three p electrons form bonds with three oxygen atoms - with one position (of the tetrahedron) being occupied by a lone pair. The d electron (excluded from hybridisation) forms bond with one oxygen atom. i.e., pπ - d bonding occurs.
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