Which from following molecules has highest bond dissociation enthalph?

Which from following molecules has highest bond dissociation enthalph?
  1. $\mathrm{Cl}_2$
  2. $\mathrm{I}_2$
  3. $\mathrm{F}_2$
  4. $\mathrm{Br}_2$

Solution

Order of B.E. $\mathrm{I}_2<\mathrm{F}_2<\mathrm{Br}_2<\mathrm{Cl}_2$

Asked in: MHT CET 2022 (07 Aug Shift 2)

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