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NEET Chemistry QUESTION #7401
Question 1
The strongest oxidising agent among the following halogens is:
  • \(\text{Cl}_2\)
  • \(\text{F}_2\)✔️
  • \(\text{Br}_2\)
  • \(\text{I}_2\)
Correct Answer Explanation
Oxidising power of halogens: Decreases down the group — F₂ > Cl₂ > Br₂ > I₂

F₂ is the strongest oxidising agent because:
  • Highest electronegativity
  • Lowest bond dissociation energy among halogens (easy to break F–F)
  • Highest electron affinity when bond breaking is factored in
  • F has no d-orbitals, preventing back bonding
F₂ can even oxidise noble gases like Xe and Kr.