![]() ![]() Again there are four atoms forming bonds with the Carbon atom, and thus it requires four hybrid orbitals. Hence it needs to form four hybrid orbitals to accommodate these electrons.Īnother way to find out the hybridization is to check the number of atoms forming bonds with the atom. Now each Carbon atom forms four bonds, which means there are four electron regions around each Carbon atom. Here as Carbon atoms are in the central position, we will consider its hybridization first. To find out the hybridization for any molecule, one can either find it out by looking at the number of electron regions or its Steric number. Remember to count the bond between the Oxygen and Hydrogen atoms as well. There are two lone pairs of electrons in this molecule on an Oxygen atom and eight bonding pairs of electrons. Hence there each Carbon forms four bonds and completes its octet. This is the most stable and accepted Lewis dot structure of Ethanol that we generally use in chemistry. It includes two single bonds with Hydrogen atoms, one single bond with the neighbouring Carbon atom and one single bond with the Oxygen atom.Īs the valence electrons in an Oxygen atom are 6, when oxygen shares two electrons, one each with Carbon and Hydrogen, it is left with two lone pairs of electrons. The other Carbon atom also forms four bonds. This carbon atom has 8 electrons in its outermost shell and is thus stable. One carbon atom forms four bonds, one with the neighbouring carbon atom and the rest three with hydrogen atoms. Hydrogen can share one electron with the other atoms to attain stability as it only needs to have electrons in its outer shell.Ĭarbon and Oxygen atom needs 8 electrons in its outer shell to fulfil the octet rule, therefore reaching stability. Hence, the central atom in this compound is Carbon, which makes Oxygen and Hydrogen its neighbouring atoms. Here Carbon is the least electronegative atom. Generally, the least electronegative atom takes the central position. So first, we will determine the central atom for this molecule. This structure will help us understand the properties of molecules along with their shape and molecular geometry. Now that we know the valence electrons, we can determine the Lewis Structure for this molecule. Hence, we have a total of = 8+6+6 = 20 valence electrons in the Ethanol compound. However, we have six hydrogen atoms, and thus the total number of valence electrons for Hydrogen is = 6*1 = 6. The atom of oxygen has six valence electrons in its outer shell. In this compound, we have two atoms of Carbon, so the total number of valence electrons are= 4*2 = 8. There are 4 Valence electrons in one Carbon atom. Here we have three different atoms, C, O, and H. Valence electrons are the electrons attached to the outer shell of the atom.
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