Chapter 17, Problem 93A

Interpretation Introduction

Interpretation:

The difference in the chemical bonds in ${\text{H}}_{\text{2}}{\text{, N}}_{\text{2}}\text{, and}{\text{O}}_{\text{2}}$ is to be explained.

Concept introduction:

The number and types of atoms and the way they are held together and arranged in space determine the properties of a molecule.

Answer to Problem 93A

The ${\text{N}}_{\text{2}}$ is a diatomic molecule and in ${\text{N}}_{\text{2}}$, there is a triple bond between the two ${\text{N}}_{}$ molecules and the triple bond is the strongest type of covalent bond because it requires the large amount of bond dissociation energy to break this bond. In ${\text{H}}_{\text{2}}$ , there is simplest covalent bond in the diatomic hydrogen molecule. In ${\text{O}}_{\text{2}}$, oxygen forms a divalent anion and the type of bond present in oxygen molecule is a double covalent bond and in this two pairs of electrons are shared in an oxygen molecule.

Explanation of Solution

The ${\text{N}}_{\text{2}}$ is a diatomic molecule and in ${\text{N}}_{\text{2}}$, there is a triple bond between the two ${\text{N}}_{}$ molecules and the triple bond is the strongest type of covalent bond because it requires the large amount of bond dissociation energy to break this bond. In ${\text{H}}_{\text{2}}$ , there is simplest covalent bond in the diatomic hydrogen molecule. In ${\text{O}}_{\text{2}}$, oxygen forms a divalent anion and the type of bond present in oxygen molecule is a double covalent bond and in this two pairs of electrons are shared in an oxygen molecule.

Bond dissociation energy is that amount of energy which is required to dissociate the bonds. So, the bond dissociation energy highest for triple bond and lowest for single bonded atoms

On the basis of bond dissociation energy we differentiate the chemical bond in ${\text{H}}_{\text{2}}{\text{, N}}_{\text{2}}\text{, and}{\text{O}}_{\text{2}}$ molecules.

Conclusion

The ${\text{N}}_{\text{2}}$ is a diatomic molecule and in ${\text{N}}_{\text{2}}$, there is a triple bond between the two ${\text{N}}_{}$ molecules and the triple bond is the strongest type of covalent bond because it requires the large amount of bond dissociation energy to break this bond. In ${\text{H}}_{\text{2}}$ , there is simplest covalent bond in the diatomic hydrogen molecule. In ${\text{O}}_{\text{2}}$, oxygen forms a divalent anion and the type of bond present in oxygen molecule is a double covalent bond and in this two pairs of electrons are shared in an oxygen molecule.