• question_answer Oxidising action increases in halogen in the following order [DPMT 1990] A) Cl < Br < I < F B) Cl < I < Br < F C) I < F < Cl < Br D) I < Br < Cl < F

Tendency to gain ${{e}^{-}}$ and oxidising power are related. Among halogens $F$ is the directly most powerful oxidising agent.