Question

Which of these represents the correct order of their increasing bond order.

Options

• C₂⁺ < C₂^2- < O₂^2- < O₂

• C₂^2- < C₂⁺ < O₂ < O₂^2-

• O₂^2- < O₂ < C₂^2- < C₂⁺

• O₂^2- < C₂⁺ < O₂ < C₂^2-

Answer 1

O₂^2- < C₂⁺ < O₂ < C₂^2-