Question

F2 and Cl2 which has less bond dissociation energy and why

Answer 1

Answer:

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Explanation:

The size of a fluorine atom is very small as compared to a chlorine atom. ... Hence, it requires less energy to break up the fluorine molecule, making its bond dissociation energy lesser than that of chlorine molecule. Solution F2 has lower bond dissociation enthalpy than Cl2.