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Question
Which one of the following order is correct for the bond dissociation enthalpy of halogen molecule?
Options
Br2 > I2 > F2 > Cl2
F2 > Cl2 > Br2 > I2
I2 > Br2 > Cl2 > F2
Cl2 > Br2 > F2 > I2
MCQ
Solution
Cl2 > Br2 > F2 > I2
Explanation:
In F2, therefore, inter electronic repulsion, therefore, bond dissociation enthalpy is less.
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