The Lewis structures of different type molecules having same molecular formula of C 2 H 6 O are needed to be drawn and the intermolecular forces presented in these moleculesshould be determined. Concept introduction: Lewis structures is also known as Lewis dot structures which represents the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule. Polarity of a bond is due to the difference in electro-negativities of atoms presented in it. The polarities of bonds are represented by using vectors. If the result of all bond polarities or vector sum is non-zero in a molecule, then the molecule is called as polar molecule . If the result of all bond polarities or vector sum is zero in a molecule, then the molecule is called as nonpolar molecule . Intermolecular force is the set of repulsive and attractive forces between molecules that result from the polarity between neighboring molecules. There are four types of intermolecular forces. Dipole – Dipole interaction : This force takes place between polar compounds. Hydrogen bonding is a type of dipole-dipole interaction of molecules when the hydrogen is bonded to strong electronegative atom (F, O, N, etc) in the molecules. Dispersion force is a weak force and this force is present in all compounds force. To determine: Lewis structures of different type molecules having same molecular formula of C 2 H 6 O .

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Chapter 7.3, Problem 4PPC

Interpretation Introduction

Interpretation:

The Lewis structures of different type molecules having same molecular formula of C2H6O are needed to be drawn and the intermolecular forces presented in these moleculesshould be determined.

Concept introduction:

Lewis structures is also known as Lewis dot structures which represents the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.

Polarity of a bond is due to the difference in electro-negativities of atoms presented in it. The polarities of bonds are represented by using vectors.

If the result of all bond polarities or vector sum is non-zero in a molecule, then the molecule is called as polar molecule.

If the result of all bond polarities or vector sum is zero in a molecule, then the molecule is called as nonpolar molecule.

Intermolecular force is the set of repulsive and attractive forces between molecules that result from the polarity between neighboring molecules. There are four types of intermolecular forces.

Dipole – Dipole interaction: This force takes place between polar compounds.

Hydrogen bonding is a type of dipole-dipole interaction of molecules when the hydrogen is bonded to strong electronegative atom (F, O, N, etc) in the molecules.

Dispersion force is a weak force and this force is present in all compounds force.

To determine: Lewis structures of different type molecules having same molecular formula of C2H6O.

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