The free energy change for the following cell reaction is given as -2 Au 3- aq -3 Cu s - 2 Au s -3 Cu 2- aqA- 3 FE o cellB- -6 FE - cellC- -2 FE 0 cellD- 6 FE 0 cell

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Catalysis

The free ener...

Question

The free energy change for the following cell reaction is given as :
2 Au ³⁺ (aq) + 3 Cu (s) → 2 Au (s) + 3 Cu ²⁺ (aq)

3 FE^ocell

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-6 FE^ocell

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-2 FE^ocell

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6 FE^ocell

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A cell having following cell reaction has positive Gibbs free energy change. What does it indicate?

2 A ³⁺ (aq) + 3 C (s) → 2 A (s) + 3 C ²⁺ (aq)

10.26 k c a l m o l^{- 1}

25^{\circ} C .

H_{2} (g) + 2 A g C l (s) \to 2 A g (s) + 2 H^{+} (a q) + 2 C l^{-} (a q)

25^{\circ} C

P_{H_{2}} = 1 a t m

[H^{+}] and [C l^{-}] = 0.1 M

Z n_{(s)} + C u_{(a q)}^{2 +} ⇌ Z n_{(a q)}^{2 +} + C u_{(s)}

= 1.1 v o l t

F = 96500

C u^{2 +} (C_{1}) (a q .) + Z n (s) \to Z n^{2 +} (C_{2}) (a q .) + C u (s)

(△ G)

- 210

2 H_{2} O_{2} (a q) \to 2 H_{2} O (l) + O_{2} (g)

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