Standard reduction potentials ${\mathrm{E}}_{{\mathrm{F}}_2/{\mathrm{F}}^{-}}^0=2.85\mathrm{V} ;{\mathrm{E}}_{{\mathrm{Cl}}_2/{\mathrm{Cl}}^{-}}^0=1.36\mathrm{V};{\mathrm{E}}_{{\mathrm{Br}}_2/{\mathrm{Br}}^{-}}^0=1.06\mathrm{V};{\mathrm{E}}_{{\mathrm{I}}_2/{\mathrm{I}}^{-}}^0=0.53\mathrm{V}$.Strongest and weakest reducing agents are respectively

• A

  F₂ and I₂

• B

  F^- and I^-

• C

  I₂ and F₂

• D

  I^- and F^-