Chapter 2, Problem 12E

(a)

Interpretation Introduction

Interpretation:The shape around the central atom of ${\text{CH}}_{\text{3}}{\text{CH}}_2^{-}$ should be stated.

Concept introduction:A Lewis structure is diagrammatic view of a molecule, where lone pair of electrons is represented in dots, bonds are represented with lines & formal charge of each atom is mentioned near the atom.

(b)

Interpretation Introduction

Interpretation: The shape around the central atom of ${\text{CH}}_{\text{2}}{\text{CH}}_{\text{2}}$ should be stated.

Concept introduction: A Lewis structure is diagrammatic view of a molecule, where lone pair of electrons is represented in dots, bonds are represented with lines & formal charge of each atom is mentioned near the atom.

(c)

Interpretation Introduction

Interpretation: The shape around the central atom of ${\text{CH}}_{\text{2}}{\text{CCH}}_{\text{2}}$ should be stated.

Concept introduction: A Lewis structure is diagrammatic view of a molecule, where lone pair of electrons is represented in dots, bonds are represented with lines & formal charge of each atom is mentioned near the atom.

(d)

Interpretation Introduction

Interpretation: The shape around the central atom of $\mathrm{C}{(C{H}_3)}^{+}$ should be stated.

Concept introduction: A Lewis structure is diagrammatic view of a molecule, where lone pair of electrons is represented in dots, bonds are represented with lines & formal charge of each atom is mentioned near the atom.

(e)

Interpretation Introduction

Interpretation: The shape around the central atom of ${\text{BH}}_4^{-}$ should be stated.

Concept introduction: A Lewis structure is diagrammatic view of a molecule, where lone pair of electrons is represented in dots, bonds are represented with lines & formal charge of each atom is mentioned near the atom.

(f)

Interpretation Introduction

Interpretation: The shape around the central atom of ${\text{NCO}}^{-}$ should be stated.

Concept introduction: A Lewis structure is diagrammatic view of a molecule, where lone pair of electrons is represented in dots, bonds are represented with lines & formal charge of each atom is mentioned near the atom.

(g)

Interpretation Introduction

Interpretation: The shape around the central atom of ${\text{CH}}_{\text{2}}{\text{OH}}^{+}$ should be stated.

Concept introduction: A Lewis structure is diagrammatic view of a molecule, where lone pair of electrons is represented in dots, bonds are represented with lines & formal charge of each atom is mentioned near the atom.

(h)

Interpretation Introduction

Interpretation: The shape around the central atom of ${\text{CH}}_{\text{2}}{\text{(CH)}}_{\text{3}}{\text{CH}}_{\text{2}}{}^{+}$ should be stated.

Concept introduction: A Lewis structure is diagrammatic view of a molecule, where lone pair of electrons is represented in dots, bonds are represented with lines & formal charge of each atom is mentioned near the atom.