Standard reduction potentials of the half reactions are given below F2g - 2e- - 2F-aq- Eo - -2-85V Cl2g - 2e- - 2Cl-aq- Eo - -1-36V Br2l - 2e- - 2Br-aq- Eo - -1-06V I2s - 2e- - 2I-aq- Eo - -0-53VThe strongest oxidising and reducing agents respectively are-

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Electrolysis and Electrolytes

Standard redu...

Question

Standard reduction potentials of the half reactions are given below
$F_{2 (g)} + 2 e^{-} \to 2 F_{(a q)}^{-}$ ; $E^{o} = + 2.85 V$
$C l_{2 (g)} + 2 e^{-} \to 2 C l_{(a q)}^{-}$ ; $E^{o} = + 1.36 V$
$B r_{2 (l)} + 2 e^{-} \to 2 B r_{(a q)}^{-}$ ; $E^{o} = + 1.06 V$
$I_{2 (s)} + 2 e^{-} \to 2 I_{(a q)}^{-}$ ; $E^{o} = + 0.53 V$
The strongest oxidising and reducing agents respectively are:

F_{2}

and

I^{-}

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B r_{2}

and

C l^{-}

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C l_{2}

and

B r^{-}

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C l_{2}

and

I_{2}

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F_{2} (g) + 2 e^{-} \to 2 F^{-} (a q) : E^{0} = + 2.85 V

C l_{2} (g) + 2 e^{-} \to 2 C l^{-} (a q) : E^{0} = + 1.36 V

B r_{2} (l) + e^{-} \to 2 B r^{-} (a q) : E^{0} = + 1.06 V

I_{2} (g) + e^{-} \to 2 I^{-} (a q) : E^{0} = + 0.53 V

F_{2} (g) + 2 e^{-} \to 2 F^{-} (a q); E^{0} = + 2.85 V

C l_{2} (g) + 2 e^{-} \to 2 C l^{-} (a q); E^{0} = + 1.36 V

B r_{2} (l) + 2 e^{-} \to 2 B r^{-} (a q); E^{0} = + 1.06 V

I_{2} (s) + 2 e^{-} \to 2 I^{-} (a q); E^{0} = + 0.53 V

Z n^{2 +} (a q) + 2 e^{-} ⇌ Z n (s); E^{o} = - 0.762 V

C r^{3 +} (a q) + 3 e^{-} ⇌ C r (s); E^{o} = + 0.762 V

2 H^{+} (a q) + 2 e^{-} ⇌ H_{2} (g); E^{o} = + 0.00 V

F e^{3 +} (a q) + e^{-} ⇌ F e^{2 +} (a q); E^{o} = + 0.770 V

M n O_{4}^{-} (a q .) + 8 H^{+} (a q .) + 5 e^{-} \to M n^{2 +} (a q .) + 4 H_{2} O (l); E^{o} = 1.51 V

C r_{2} O_{7}^{2 -} (a q .) + 14 H^{+} (a q .) + 6 e^{-} \to 2 C r^{3 +} (a q .) + 7 H_{2} O (l); E^{o} = 1.38 V

F e^{3 +} (a q .) + e^{-} \to F e^{2 +} (a q .); E^{o} = 0.77 V

C l_{2} (g) + 2 e^{-} \to 2 C l^{-} (a q .); E^{o} = 1.40 V

F e (N O_{3})_{2}

298 K

N i^{2 +} (a q) + 2 e^{-} \to N i (s); E^{o} = - 0.28 V

M g^{2 +} (a q) + 2 e^{-} \to M g (s); E^{o} = - 2.37 V

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