The molecular orbital diagrams for O 2 , O 2 2 − , O 2 − and O 2 + are to be drawn. Also, the species are to be ranked in the order of increasing bond length and the number of unpaired electrons is to be determined. Concept introduction: A molecular orbital diagram is a tool that is used to describe the chemical bonding formed between different molecules. It is used to predict the bond strength and the electronic transitions that a molecule can undergo. The formula to calculate the bond order of any species is as follows: Bond order = 1 2 ( number of electrons in bonding orbitals − number of electrons in antibonding orbitals ) (1)

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Chapter 11, Problem 11.48P

Interpretation Introduction

Interpretation:

The molecular orbital diagrams for O2, O22−, O2− and O2+ are to be drawn. Also, the species are to be ranked in the order of increasing bond length and the number of unpaired electrons is to be determined.

Concept introduction:

A molecular orbital diagram is a tool that is used to describe the chemical bonding formed between different molecules. It is used to predict the bond strength and the electronic transitions that a molecule can undergo.

The formula to calculate the bond order of any species is as follows:

Bond order =12(number of electrons in bonding orbitals−number of electrons in antibonding orbitals) (1)

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