Which one of the following orders is correct | vedclass

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(D) The bond dissociation energy of halogen molecules generally decreases down the group due to the increase in atomic size and bond length.However, $

Vedclass · Accepted Answer

$Cl_2 > Br_2 > I_2$

Vedclass · Answer

(D) The bond dissociation energy of halogen molecules generally decreases down the group due to the increase in atomic size and bond length.However, $F_2$ is an exception due to the high inter-electronic repulsion between the lone pairs of the small fluorine atoms.The correct order for bond dissociation energies is $Cl_2 > Br_2 > F_2 > I_2$.Among the given options, the order $Cl_2 > Br_2 > I_2$ is correct.

Which one of the following orders is correct for the bond dissociation energies of halogen molecules?

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