The central O atom in water is sp³ hybridized and two O-H bonds are present. Two lone pairs of electrons are present in two sp³ hybrid orbitals. Water molecule has bent geometry with H – O – H bond angle of 104.5°. The structure of H₂O₂ is non planar. A single covalent bond is present between 2O atoms. Each O atom is covalently bonded to one H atom. Two O – H bonds are in different planes and the dihedral angle between the planes is 115° in the gas phase.