JEE MAIN - Chemistry (2023 - 29th January Morning Shift - No. 5)
The bond dissociation energy is highest for
Cl$$_2$$
I$$_2$$
Br$$_2$$
F$$_2$$
Explanation
Bond energy of $\mathrm{F}_{2}$ less than $\mathrm{Cl}_{2}$ due to lone pair lone pair repulsions.
Bond energy order $\mathrm{Cl}_{2}>\mathrm{Br}_{2}>\mathrm{F}_{2}>\mathrm{I}_{2}$
Bond energy order $\mathrm{Cl}_{2}>\mathrm{Br}_{2}>\mathrm{F}_{2}>\mathrm{I}_{2}$
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