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What should be the signs (positive/negative) for E°Cell and ΔG° for a spontaneous redox reaction occurring under standard conditions ?
State Faraday's first law of electrolysis.
Calculate the emf of the following cell at 298 K : Fe(s) | Fe²⁺ (0.01M) || H⁺(1M) | H₂(g) (1 bar), Pt(s). Given E°Cell = 0.44 V.
State Kohlrausch's law of independent migration of ions.
How much electricity in terms of Faraday is required to produce 40 g of Al from molten Al₂O₃ ? (Given : atomic mass of Al = 27 u)
Calculate log Kc for the following reaction at 298 K : Zn (s) + Cu²⁺ (aq) ⇌ Zn²⁺ (aq) + Cu (s). Given : E°(Zn²⁺/Zn) = – 0·76 V, E°(Cu²⁺/Cu) = + 0·34 V
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