Chapter 8, Problem 60A

(a)

Interpretation Introduction

Interpretation: The shape of the compound ${\text{CO}}_{\text{2}}$ using VSEPR theory is to be predicted.

Concept Introduction: VSEPR theory stands for Valence Shell Electron Pair Repulsion theory.

Scientists used the VSEPR theory to explain the three-dimensional shape of molecules.

Answer to Problem 60A

The given compound ${\text{CO}}_{\text{2}}$ is linear.

Explanation of Solution

The given compound is ${\text{CO}}_{\text{2}}$ .

To predict the shape, draw the structure of the molecule.

  

Since there are only two bonding pairs, the shape of the molecule is linear.

(b)

Interpretation Introduction

Interpretation: The shape of the compound ${\text{SiCl}}_{\text{4}}$ using VSEPR theory is to be predicted.

Concept Introduction: VSEPR theory stands for Valence Shell Electron Pair Repulsion theory.

Scientists used the VSEPR theory to explain the three-dimensional shape of molecules.

Answer to Problem 60A

The given compound ${\text{SiCl}}_{\text{4}}$ is tetrahedral.

Explanation of Solution

The given compound is ${\text{SiCl}}_{\text{4}}$ .

To predict the shape, draw the structure of the molecule.

  

Since there are only four bonding pairs, the shape of the molecule is tetrahedral.

(c)

Interpretation Introduction

Interpretation: The shape of the compound ${\text{SO}}_3$ using VSEPR theory is to be predicted.

Concept Introduction: VSEPR theory stands for Valence Shell Electron Pair Repulsion theory.

Scientists used the VSEPR theory to explain the three-dimensional shape of molecules.

Answer to Problem 60A

The given compound ${\text{SO}}_3$ is trigonal planar.

Explanation of Solution

The given compound is ${\text{SO}}_3$ .

To predict the shape, draw the structure of the molecule.

  

Since there are only three bonding pairs and no lone pairs, the shape of the molecule is trigonal planar.

(d)

Interpretation Introduction

Interpretation: The shape of the compound ${\text{SCl}}_2$ using VSEPR theory is to be predicted.

Concept Introduction: VSEPR theory stands for Valence Shell Electron Pair Repulsion theory.

Scientists used the VSEPR theory to explain the three-dimensional shape of molecules.

Answer to Problem 60A

The given compound ${\text{SCl}}_2$ is bent.

Explanation of Solution

The given compound is ${\text{SCl}}_2$ .

To predict the shape, draw the structure of the molecule.

  

Since there are two bonding pairs and two lone pairs, the shape of the molecule is bent.

(e)

Interpretation Introduction

Interpretation: The shape of the compound $\text{CO}$ using VSEPR theory is to be predicted.

Concept Introduction: VSEPR theory stands for Valence Shell Electron Pair Repulsion theory.

Scientists used the VSEPR theory to explain the three-dimensional shape of molecules.

Answer to Problem 60A

The given compound $\text{CO}$ is linear.

Explanation of Solution

The given compound is $\text{CO}$ .

To predict the shape, draw the structure of the molecule.

  

Since there are only one bonding pairs and one lone pairs, the shape of the molecule is linear.

(f)

Interpretation Introduction

Interpretation: The shape of the compound ${\text{H}}_{\text{2}}\text{Se}$ using VSEPR theory is to be predicted.

Concept Introduction: VSEPR theory stands for Valence Shell Electron Pair Repulsion theory.

Scientists used the VSEPR theory to explain the three-dimensional shape of molecules.

Answer to Problem 60A

The given compound ${\text{H}}_{\text{2}}\text{Se}$ is bent.

Explanation of Solution

The given compound is ${\text{H}}_{\text{2}}\text{Se}$ .

To predict the shape, draw the structure of the molecule.

  

Since there are two bonding pairs and two lone pairs, the shape of the molecule is bent.