STANDARDChemistry-Chemical Bonding
STANDARD Chemistry Bond Enthalpy MCQ Question
Type: MCQ-conceptual-Medium
The correct order of bond dissociation enthalpy of halogens is
A
Cl₂ > F₂ > Br₂ > I₂
B
I₂ > Br₂ > Cl₂ > F₂
C
Cl₂ > Br₂ > F₂ > I₂
D
F₂ > Cl₂ > Br₂ > I₂
Correct Answer
Option C
Detailed Explanation
Correct order of bond dissociation enthalpy of halogens is Cl₂ > Br₂ > F₂ > I₂. Due to inter electronic repulsions F-F bond becomes weak and easily broken.
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