MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryChemical BondingPrevious Year Questions
A covalent molecule AB3 has a pyramidal structure. The number of lone pair and bond pair of electrons in the molecule are respectively (KCET 2009)
A.0 and 4
B.3 and 1
C.1 and 3✓ Correct
D.2 and 2
Explanation
A covalent molecule AB3 for example NH 3 has a pyramidal structure. In NH 3 three bond pairs and one lone pair. Therefore molecule AB3 should have NH 3 three bond pairs and one lone pair for a pyramidal structure.
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