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Which of the following cell has highest cell potential at 25°C? Given, (Ksp)AgCl 1 = 10-10, (Ksp)Cu(OH)2 = 10-20, (pK₂)CH₂COOH = 5, (pka)HCN = 10, = 0.8 V, E Cu²+ /Cu Eº (Ka2 )H3PO4 = 10-8, (Ka3 )H₂PO4 = 10-12, Ag+ /Ag (A) Ag| AgCl(s)| Cl¯ || Ag*(aq)| Ag(s) (0.1 M) (10-³M) (B) Pt |H₂ (9) Solution (Na2HPO4 + Na, PO₁ Ag¹(aq) Ag(s) (1 atm) 0.1 M 0.1 M HCN(aq)|H₂(g) | Pt (1 atm) 0.01 M (C) Pt | H₂ (9)CH₂COOH(aq)|H 1 atm 0.1 M (D) Cu(s) Cu(OH)₂(s) OH(aq)| H* (aq) H₂(g)| Pt (0.1 M) (0.1 M) (1 atm) (K₂₁ )H₂PO4 = 10-³, = 0.34 V

Which of the following cell has highest cell potential at 25°C? Given, (Ksp)AgCl 1 = 10-10, (Ksp)Cu(OH)2 = 10-20, (pK₂)CH₂COOH = 5, (pka)HCN = 10, = 0.8 V, E Cu²+ /Cu Eº (Ka2 )H3PO4 = 10-8, (Ka3 )H₂PO4 = 10-12, Ag+ /Ag (A) Ag| AgCl(s)| Cl¯ || Ag*(aq)| Ag(s) (0.1 M) (10-³M) (B) Pt |H₂ (9) Solution (Na2HPO4 + Na, PO₁ Ag¹(aq) Ag(s) (1 atm) 0.1 M 0.1 M HCN(aq)|H₂(g) | Pt (1 atm) 0.01 M (C) Pt | H₂ (9)CH₂COOH(aq)|H 1 atm 0.1 M (D) Cu(s) Cu(OH)₂(s) OH(aq)| H* (aq) H₂(g)| Pt (0.1 M) (0.1 M) (1 atm) (K₂₁ )H₂PO4 = 10-³, = 0.34 V

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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28. Which of the following cell has highest cell potential at 25°C? Given, (Ksp)AgCl = 10-10, (Ksp)Cu(OH)₂ = 10-20, (pK₂)CH₂COOH = 5, (pKa)HCN = 10, 10-12, Eg/Ag = 0.8 V, (Ka₂ )H³PO4 = 10-8, (K₂³) H³PO4 Eº = (A) Ag | AgCl(s)| C || Ag+ (aq)| Ag(s) (0.1 M) (10-³M) (B) Pt |H₂ (g) Solution (Na₂HPO4 +Na PO₁ Ag+ (aq) Ag(s) (1 atm) 0.1 M 0.1 M (10-²M) (C) Pt | H₂(g) |CH3COOH(aq)||HCN(aq) H₂(g) | Pt 1 atm 0.1 M (1 atm) 0.01 M (D) Cu(s) Cu(OH)₂(s) OH(aq)| H* (aq) H₂ (9)| Pt (0.1 M) (0.1 M) (1 atm) Cu²+/Cu (Ka₁ H₂PO4 = 10-³, = 0.34 V
Transcribed Image Text:28. Which of the following cell has highest cell potential at 25°C? Given, (Ksp)AgCl = 10-10, (Ksp)Cu(OH)₂ = 10-20, (pK₂)CH₂COOH = 5, (pKa)HCN = 10, 10-12, Eg/Ag = 0.8 V, (Ka₂ )H³PO4 = 10-8, (K₂³) H³PO4 Eº = (A) Ag | AgCl(s)| C || Ag+ (aq)| Ag(s) (0.1 M) (10-³M) (B) Pt |H₂ (g) Solution (Na₂HPO4 +Na PO₁ Ag+ (aq) Ag(s) (1 atm) 0.1 M 0.1 M (10-²M) (C) Pt | H₂(g) |CH3COOH(aq)||HCN(aq) H₂(g) | Pt 1 atm 0.1 M (1 atm) 0.01 M (D) Cu(s) Cu(OH)₂(s) OH(aq)| H* (aq) H₂ (9)| Pt (0.1 M) (0.1 M) (1 atm) Cu²+/Cu (Ka₁ H₂PO4 = 10-³, = 0.34 V
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