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Standard reduction potentials of the half reactions are given below … The strongest oxidising and reducing agents respectively are

NEET UG 2012 — Chemistry Physical Chemistry

2012mcqeasy

Standard reduction potentials of the half reactions are given below F2(g)+2e−⟶2 F−(aq);E∘=+2.85 VCl2(g)+2e−⟶2Cl−(aq);E∘=+1.36 VBr2(l)+2e−⟶2Br−(aq);E∘=+1.06 VI2(s)+2e−⟶2I−(aq);E∘=+0.53 V\begin{array}{ll} \mathrm{F}_2(g)+2 e^{-} \longrightarrow 2 \mathrm{~F}^{-}(a q) ; & E^{\circ}=+2.85 \mathrm{~V} \\ \mathrm{Cl}_2(g)+2 e^{-} \longrightarrow 2 \mathrm{Cl}^{-}(a q) ; & E^{\circ}=+1.36 \mathrm{~V} \\ \mathrm{Br}_2(l)+2 e^{-} \longrightarrow 2 \mathrm{Br}^{-}(a q) ; & E^{\circ}=+1.06 \mathrm{~V} \\ \mathrm{I}_2(s)+2 e^{-} \longrightarrow 2 \mathrm{I}^{-}(a q) ; & E^{\circ}=+0.53 \mathrm{~V} \end{array}F2​(g)+2e−⟶2 F−(aq);Cl2​(g)+2e−⟶2Cl−(aq);Br2​(l)+2e−⟶2Br−(aq);I2​(s)+2e−⟶2I−(aq);​E∘=+2.85 VE∘=+1.36 VE∘=+1.06 VE∘=+0.53 V​ The strongest oxidising and reducing agents respectively are

Official previous-year question

Held on 30 Apr 2012 · Verified 9 Jul 2026.

Options

  1. A

    F2\mathrm{F}_2F2​ and I−\mathrm{I}^{-}I−

  2. B

    Br2\mathrm{Br}_2Br2​ and Cl−\mathrm{Cl}^{-}Cl−

  3. C

    Cl2\mathrm{Cl}_2Cl2​ and Br−\mathrm{Br}^{-}Br−

  4. D

    Cl2\mathrm{Cl}_2Cl2​ and I2\mathrm{I}_2I2​

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