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If an electric current is passed through an aqueous solution of What is expected to be produced at the anode and at the cathode? (Neglect any overvoltage.) Standard Reduction Table Cl₂(g) +2 e 2 Cl(aq) O₂(g) +4 H'(aq) + 4e → 2 H₂O(1) Colog) +26) Cols) 2 H₂O() +2e →→ H₂(g) + 2 OH(aq) Eºred, V 1.36 at pH 0.82 at pH=7 -0.28 -0.42 at pH= 7 A) Products at the anode: O₂(g), H*(aq) Products at the cathode: Co(s) B) Products at the anode: Cl₂(s) Products at the cathode: Co(s) C) Products at the anode: Cl,(s) Products at the cathode: H₂(g), OH (aq) D) Products at the anode: O₂(g), H*(aq) Products at the cathode: H₂(g), OH(aq) E) Products at the anode: Cl(aq) Products at the cathode: water

If an electric current is passed through an aqueous solution of What is expected to be produced at the anode and at the cathode? (Neglect any overvoltage.) Standard Reduction Table Cl₂(g) +2 e 2 Cl(aq) O₂(g) +4 H'(aq) + 4e → 2 H₂O(1) Colog) +26) Cols) 2 H₂O() +2e →→ H₂(g) + 2 OH(aq) Eºred, V 1.36 at pH 0.82 at pH=7 -0.28 -0.42 at pH= 7 A) Products at the anode: O₂(g), H*(aq) Products at the cathode: Co(s) B) Products at the anode: Cl₂(s) Products at the cathode: Co(s) C) Products at the anode: Cl,(s) Products at the cathode: H₂(g), OH (aq) D) Products at the anode: O₂(g), H*(aq) Products at the cathode: H₂(g), OH(aq) E) Products at the anode: Cl(aq) Products at the cathode: water

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.154QP: An electrode is prepared from liquid mercury in contact with a saturated solution of mercury(I)...
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If an electric current is passed through an aqueous solution of CoCl₂ at pH = 7. What is expected to be produced at the anode and at the cathode? (Neglect any overvoltage.) Standard Reduction Table Cl₂(g) + 2 e → 2 Cl-(aq) O₂(g) + 4 H* (aq) + 4 e 2 H₂O(/) Co(s) Co²+ (aq) + 2 e → 2 H₂O() +2e → H₂(g) + 2 OH-(aq) Eºred, V 1.36 0.82 at pH = 7 -0.28 -0.42 at pH = 7 A) Products at the anode: O₂(g), H*(aq) Products at the cathode: Co(s) B) Products at the anode: Cl (s) Products at the cathode: Co(s) C) Products at the anode: Cl₂(s) Products at the cathode: H₂(g), OH-(aq) D) Products at the anode: O₂(g), H*(aq) Products at the cathode: H₂(g), OH (aq) E) Products at the anode: Cl(aq) Products at the cathode: water
Transcribed Image Text:If an electric current is passed through an aqueous solution of CoCl₂ at pH = 7. What is expected to be produced at the anode and at the cathode? (Neglect any overvoltage.) Standard Reduction Table Cl₂(g) + 2 e → 2 Cl-(aq) O₂(g) + 4 H* (aq) + 4 e 2 H₂O(/) Co(s) Co²+ (aq) + 2 e → 2 H₂O() +2e → H₂(g) + 2 OH-(aq) Eºred, V 1.36 0.82 at pH = 7 -0.28 -0.42 at pH = 7 A) Products at the anode: O₂(g), H*(aq) Products at the cathode: Co(s) B) Products at the anode: Cl (s) Products at the cathode: Co(s) C) Products at the anode: Cl₂(s) Products at the cathode: H₂(g), OH-(aq) D) Products at the anode: O₂(g), H*(aq) Products at the cathode: H₂(g), OH (aq) E) Products at the anode: Cl(aq) Products at the cathode: water
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