Answer to Question #146948 in Organic Chemistry for Habiba Alaa

Question

Halogen atoms form diatomic molecules with single covalent bonds. Shown in the graph are the atomic radii of three halogen elements and the bond energies of their diatomic molecules. What is the main reason for the variation in bond energy between Cl2 and I2?

A )Bonds become weaker when the separation of nuclei and bonding electrons increases, because the electrostatic attraction between them decreases.

B )Bonds become stronger because the separation of bonding electrons increases, reducing the electrostatic repulsion between them.

C)Bonds become stronger when the separation of nuclei and bonding electrons increases, because the electrostatic repulsion between them decreases.

D)Bonds become weaker when the separation of nuclei increases, because the electrostatic attraction between them decreases.

E)Bonds become stronger because the separation of nuclei increases, reducing the electrostatic repulsion between them.

Answer 1

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