Molecular shape around the central C and N atoms in the two resonance forms of the peptide bond is to be determined. Concept introduction: The following steps are used to determine the molecular shape and electron-group arrangement of the given molecule. Step 1: Write the Lewis structure of the given formula and place the atoms. Step 2: Count all electron groups including bonding and non-bonding pairs around the central atom and use it to assign one of the five electron-group arrangement. Step 3: Write the ideal bond angle related to the electron-group arrangement and the effect of any deviation can be predicted by using VSEPR. Step 4: Count the bonding and non-bonding electron groups and draw the molecular shape accordingly.

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Chapter 10.3, Problem B10.1P

Interpretation Introduction

Interpretation:

Molecular shape around the central C and N atoms in the two resonance forms of the peptide bond is to be determined.

Concept introduction:

The following steps are used to determine the molecular shape and electron-group arrangement of the given molecule.

Step 1: Write the Lewis structure of the given formula and place the atoms.

Step 2: Count all electron groups including bonding and non-bonding pairs around the central atom and use it to assign one of the five electron-group arrangement.

Step 3: Write the ideal bond angle related to the electron-group arrangement and the effect of any deviation can be predicted by using VSEPR.

Step 4: Count the bonding and non-bonding electron groups and draw the molecular shape accordingly.

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