Chapter 9, Problem 105AE

(a)

Interpretation Introduction

To determine: The given molecular orbital is a $\sigma$ or $\pi$ MO and if it is bonding or antibonding.

(b)

Interpretation Introduction

To determine: The number of electrons that occupy the MO in the given figure of ${\text{H}}_2^{-}$ ion.

(c)

Interpretation Introduction

To determine: The bond order in ${\text{H}}_2^{-}$ ion.

(d)

Interpretation Introduction

To determine: Comparison between the $\text{H}-\text{H}$ bond in ${\text{H}}_2^{-}$ ion and $\text{H}-\text{H}$ bond in ${\text{H}}_{\text{2}}$ molecule.