6. Which of the following species will reduce Ag+ but will not reduce Cu2+? A. F

6. B 7. D 8. A. Increasing [Pb2+] 9. 10. C. (3) 11.B. A2+ is a stronger oxidizing agent than B2+.

ID: 879914 • Letter: 6

Question

6. Which of the following species will reduce Ag+ but will not reduce Cu2+?

A. Fe2+ B. Fe3+ C. Au3+ D. Mn2+ E. Sn2+

7. Which of the reactions shown below should be spontaneous under standard state condition?

(1) 2AgI(s) + Ni(s) Ni2+(aq) + 2Ag(s) + 2I–(aq)

(2) Ag+(aq) + I–(aq) AgI(s)

(3) Ni2+(aq) + 2Ag(s) Ni(s) + 2Ag+(aq)

A. (1) only B. (2) only C. (3) only D. (1) and (2) E. (1), (2), and (3)

8. In the galvanic cell described below, which change would cause the cell potential to become more positive?

Pb(s) | Pb2+(aq) || Cu2+(aq) | Cu(s)

A. Increasing [Pb2+] D. Decreasing the mass of Pb(s)

B. Increasing [Cu2+] E. Increasing the mass of Cu(s)

C. Increasing the mass of Pb(s)

9. What is the expected cell potential for the cell shown below?

Ni(s) | Ni2+(1.0 × 10–5 M) || Ni2+(0.10 M) | Ni(s)

A. –0.26 V B. –0.12 V C. 0.00 V D. 0.12 V E. 0.24 V

10.When a cell reaction reaches equilibrium,

(1) E° = 0 (2) E = 0 (3) G° = 0

A. (1) B. (2) C. (3) D. (1) and (3) E. (1), (2), and (3)

11. The following reaction is spontaneous in the forward direction under standard state conditions. What statement is true?

A2+ + 2B+ 2B2+ + A(s)

A. B+ is a stronger oxidizing agent than A(s).

B. A2+ is a stronger oxidizing agent than B2+.

C. B2+ is a stronger oxidizing agent than A2+.

D. A(s) is a stronger oxidizing agent than B+.

E. B+ is a stronger oxidizing agent that A2+.

6. B
7. D
8. A. Increasing [Pb2+]
9.

10. C. (3)

11.B. A2+ is a stronger oxidizing agent than B2+.

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