In H2O2, the electron pair geometry is tetrahedral. The electron pair geometry of a molecule is determined by the steric number. Step 2: Determine the electron pair geometry. In H2O2, the steric number is 4 (2 hydrogen atoms and 2 non-bonding electron pairs). The steric number is the sum of the number of bonded atoms and the number of non-bonding electron pairs around the central atom. To determine the molecular geometry of H2O2, we need to consider its Lewis structure. The molecular geometry of a molecule describes the three-dimensional arrangement of its atoms. The Lewis structure of H2O2 shows that it has a covalent bond between the two hydrogen atoms and the central oxygen atom, and each oxygen atom has two non-bonding electron pairs. Step 5: Count the number of electrons and compare with the total number of valence electrons.Īfter following the above steps, the total number of electrons in the Lewis structure of H2O2 is 14, which matches the total number of valence electrons. Step 3: Connect the atoms with single bonds.Ĭonnect the two hydrogen atoms to the central oxygen atom with a single bond.Įach oxygen atom has two non-bonding electrons, so add one non-bonding electron pair to each oxygen atom. In H2O2, both oxygen atoms are bonded to the central hydrogen atoms.
Therefore, the total number of valence electrons in H2O2 is 2 × 1 + 2 × 6 = 14. H2O2 has 2 hydrogen atoms, 2 oxygen atoms, and 4 valence electrons (6 for oxygen and 1 for hydrogen). Step 1: Count the total number of valence electrons in the molecule. To draw the Lewis structure of H2O2, we need to follow a few simple steps: It is named after the American chemist Gilbert N. The Lewis structure of a molecule is a representation of its bonding and non-bonding electrons. This article will explore the Lewis structure and molecular geometry of hydrogen peroxide.
It is a common disinfectant and bleaching agent. Hydrogen peroxide (H2O2) has a molecular formula of H2O2 and a molar mass of 34.014 g/mol.
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