Which one among the following is the strongest reducing agent-Fe2-2e- Fe-0-44 VNi2-2e- Ni-0-25 VSn2-2e- Sn-0-14 VFe3-e- Fe2-0-77 V

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Oxidation and Reduction

Which one amo...

Question

Which one among the following is the strongest reducing agent?
$F e^{2 +} + 2 e^{-} \to F e (- 0.44 V)$
$N i^{2 +} + 2 e^{-} \to N i (- 0.25 V)$
$S n^{2 +} + 2 e^{-} \to S n (- 0.14 V)$
$F e^{3 +} + e^{-} \to F e^{2 +} (+ 0.77 V)$

F e

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F e^{2 +}

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N i

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S n

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F e^{2 +} + 2 e^{-} \to F e (- 0.44 V)

N i^{2 +} + 2 e^{-} \to N i (- 0.25 V)

S n^{2 +} + 2 e^{-} \to S n (- 0.14 V)

F e^{3 +} + e^{-} \to F e^{2 +} (+ 0.77 V)

Z n^{2 +} (a q) + 2 e^{-} \to Z n (s); E^{0} = - 0.76 V

C u^{2 +} (a q) + 2 e^{-} \to C u (s); E^{0} = 0.34 V

N i^{2 +} (a q) + 2 e^{-} \to N i (s); E^{0} = - 0.25 V

P b^{2 +} (a q) + 2 e^{-} \to P b (s); E^{0} = - 0.13 V

F e^{2 +} (a q) + 2 e^{-} \to F e (s); E^{0} = - 0.44 V

F e^{+ 2} + 2 e \to F e; E^{o} = 0.44 V

F e^{+ 3} + 1 e \to F e^{+ 2}; E^{o} = + 0.77 V

S n^{+ 4} + 2 e \to S n^{+ 2}; E^{o} = + 0.13 V

I_{2} + 2 e \to 2 I; E^{o} = + 0.54 V

C r^{3 +} + 3 e \to C r; E^{o} = 0.74 V

F e^{2 +} + 2 e^{-} \to F e; E^{0} = - 0.44 V

F e^{3 +} + e^{-} \to F e^{2 +}; E^{0} = 0.77 V

F e^{2 +} and F e^{3 +}

F_{2} (g) + 2 e^{-} \to 2 F^{-} (a q); E^{0} = 2.87 V C l_{2} (g) + 2 e^{-} \to C l^{-} (a q); E^{0} = 1.36 V F e^{3 +} (a q) + e^{-} \to F e^{2 +} (a q); E^{0} = 0.77 V

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