Question

draw the diagram to show the formation of oxygen molecule by valence bond theory

Answer 1

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Answer 2

Diagram showing the formation of oxygen molecule by valence bond theory.

Explanation:

• As the atomic number of 1 oxygen atom is 8, its electronic configuration is $1s^22s^22p_x^22p_y^12p_z^1$.
• From the electronic configuration, it is clear that, the $2p_y^1 and 2p_z^1$ are half-filled and involves in bond formation whereas $2p_x^2$ is not involved in bond formation due to completely filled orbital.
• When two oxygen atom combines, the $2p_z$ orbital present in each carbon atom combines by formation of sigma bond. On the other hand, $2p_y$ combines by formation of pi bond.

• The diagram showing the formation of an oxygen molecule by valence bond theory is given in the attachment.

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