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

1. Cl> Br> F> I2

2. Br> I> F> Cl2

3. F> Cl> Br> I2

4. I> Br> Cl> F2

Subtopic:  Covalent Bond |
 56%
Level 3: 35%-60%
NEET - 2016
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