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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