Among the structure A or structure B the more favored on the basis of formal charges has to be determined. Concept Introduction: A covalent bond is a bond that results from the mutual sharing of electrons between atoms. Lewis structures are representations of the covalent bond. In this, Lewis symbols show how the valence electrons are present in the molecule. The steps to draw the Lewis structure of the molecule are as follows: Step 1: Find the central atom and place the other atoms around it. The atom in a compound that has the lowest group number or lowest electronegativity considered as the central atom. Step 2: Estimate the total number of valence electrons. Step 3: Connect the other atoms around the central atoms to the central atom with a single bond and lower the value of valence electrons by 2 of every single bond. Step 4: Allocate the remaining electrons in pairs so that each atom can get 8 electrons. The formula to calculate formal charge of the atom is as follows: Formal charge = ( number of valence electrons ) − ( ( number of lone pairs of electrons ) + ( 1 2 ) ( number of shared electrons ) )

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Chapter 9, Problem 9.61QE

Interpretation Introduction

Interpretation:

Among the structure A or structure B the more favored on the basis of formal charges has to be determined.

Concept Introduction:

A covalent bond is a bond that results from the mutual sharing of electrons between atoms. Lewis structures are representations of the covalent bond. In this, Lewis symbols show how the valence electrons are present in the molecule.

The steps to draw the Lewis structure of the molecule are as follows:

Step 1: Find the central atom and place the other atoms around it. The atom in a compound that has the lowest group number or lowest electronegativity considered as the central atom.

Step 2: Estimate the total number of valence electrons.

Step 3: Connect the other atoms around the central atoms to the central atom with a single bond and lower the value of valence electrons by 2 of every single bond.

Step 4: Allocate the remaining electrons in pairs so that each atom can get 8 electrons.

The formula to calculate formal charge of the atom is as follows:

Formal charge=(number ofvalenceelectrons)−((number of lone pairs of electrons )+(12) (number of shared electrons))

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