Question

what is the hybridization of h2o+ molecule

Answer 1

Oxygen is sp3 hybridised in H2O molecule. Two hybrid orbitals are occupied by lone pairs and two are used in bonding with Hydrogen atoms. Since lone pairs does not contribute to the geometry of a molecule, therefore H2O has an angular geometry. The lone pair-lone pair repulsion is more than lone pair - bond pair or bond pair - bond pair repulsion, So the angle between H-O-H is 104.5° which is less than ideal tetrahedral angle of 109°28′.