Consider the aqueous electrolysis of KBr, potassium bromide:…
Consider the aqueous electrolysis of KBr, potassium bromide: KBr (s) –> K+ (aq) + Br- (aq) Given the following possible oxidation and reduction reactions, determine the Eocell for the following reaction: 2 H2O (l) + 2 Br- (aq) ⇌ H2 (g) + 2 OH- (aq) + Br2 (l) Possible Reduction Reactions: K+(aq) + e– ⇌ K(s) Eo = -2.92 V 2 H2O(l) + 2 e– ⇌ H2(g) + 2 OH–(aq) Eo = -0.83 V Possible Oxidation Reactions: 2 Br-(aq) ⇌ Br2 (l) + 2 e– Eo = -1.07 V 2 H2O(l) ⇌ O2(g) + 4 H+(aq) + 4 e– Eo = -1.23 V
Consider the aqueous electrolysis of KBr, potassium bromide:…
Questions
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Cоnsider the аqueоus electrоlysis of KBr, potаssium bromide: KBr (s) --> K+ (аq) + Br- (aq) Given the following possible oxidation and reduction reactions, determine the Eocell for the following reaction: 2 H2O (l) + 2 Br- (aq) ⇌ H2 (g) + 2 OH- (aq) + Br2 (l) Possible Reduction Reactions: K+(aq) + e– ⇌ K(s) Eo = -2.92 V 2 H2O(l) + 2 e– ⇌ H2(g) + 2 OH–(aq) Eo = -0.83 V Possible Oxidation Reactions: 2 Br-(aq) ⇌ Br2 (l) + 2 e– Eo = -1.07 V 2 H2O(l) ⇌ O2(g) + 4 H+(aq) + 4 e– Eo = -1.23 V
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