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Given: Ni2+(aq)+ 2e- Ni(s); E° = -0.23 V

Question 41

Multiple Choice

Given:
Ni2+(aq) + 2e- Given: Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 VAg<sup>+</sup>(aq) + e<sup>-</sup>  Ag(s) ; E° = 0.80 V NO<sub>3</sub><sup>-</sup>(aq) + 4H<sup>+</sup>(aq) + 3e<sup>-</sup>  NO(g) + 2H<sub>2</sub>O(l) ; E° = 0.96 V Which of the following statements is true? A) Ni<sup>2+</sup> reacts spontaneously with 1 M H<sup>+</sup>(aq) to form H<sub>2</sub>. B) Ni<sup>2+</sup> reacts spontaneously with H<sub>2</sub>(g) . C) Ag(s) reacts spontaneously with Ni<sup>2+</sup>. D) Ag(s) reacts spontaneously with 1 M NO<sub>3</sub><sup>-</sup> in 1 M H<sup>+</sup>(aq) . E) Ag(s) reacts spontaneously with 1 M H<sup>+</sup>(aq) .Ni(s) ; E° = -0.23 V
2H+(aq) + 2e- Given: Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 VAg<sup>+</sup>(aq) + e<sup>-</sup>  Ag(s) ; E° = 0.80 V NO<sub>3</sub><sup>-</sup>(aq) + 4H<sup>+</sup>(aq) + 3e<sup>-</sup>  NO(g) + 2H<sub>2</sub>O(l) ; E° = 0.96 V Which of the following statements is true? A) Ni<sup>2+</sup> reacts spontaneously with 1 M H<sup>+</sup>(aq) to form H<sub>2</sub>. B) Ni<sup>2+</sup> reacts spontaneously with H<sub>2</sub>(g) . C) Ag(s) reacts spontaneously with Ni<sup>2+</sup>. D) Ag(s) reacts spontaneously with 1 M NO<sub>3</sub><sup>-</sup> in 1 M H<sup>+</sup>(aq) . E) Ag(s) reacts spontaneously with 1 M H<sup>+</sup>(aq) .H2(g) ; E° = 0.00 VAg+(aq) + e- Given: Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 VAg<sup>+</sup>(aq) + e<sup>-</sup>  Ag(s) ; E° = 0.80 V NO<sub>3</sub><sup>-</sup>(aq) + 4H<sup>+</sup>(aq) + 3e<sup>-</sup>  NO(g) + 2H<sub>2</sub>O(l) ; E° = 0.96 V Which of the following statements is true? A) Ni<sup>2+</sup> reacts spontaneously with 1 M H<sup>+</sup>(aq) to form H<sub>2</sub>. B) Ni<sup>2+</sup> reacts spontaneously with H<sub>2</sub>(g) . C) Ag(s) reacts spontaneously with Ni<sup>2+</sup>. D) Ag(s) reacts spontaneously with 1 M NO<sub>3</sub><sup>-</sup> in 1 M H<sup>+</sup>(aq) . E) Ag(s) reacts spontaneously with 1 M H<sup>+</sup>(aq) .Ag(s) ; E° = 0.80 V
NO3-(aq) + 4H+(aq) + 3e- Given: Ni<sup>2+</sup>(aq) + 2e<sup>-</sup>  Ni(s) ; E° = -0.23 V 2H<sup>+</sup>(aq) + 2e<sup>-</sup>  H<sub>2</sub>(g) ; E° = 0.00 VAg<sup>+</sup>(aq) + e<sup>-</sup>  Ag(s) ; E° = 0.80 V NO<sub>3</sub><sup>-</sup>(aq) + 4H<sup>+</sup>(aq) + 3e<sup>-</sup>  NO(g) + 2H<sub>2</sub>O(l) ; E° = 0.96 V Which of the following statements is true? A) Ni<sup>2+</sup> reacts spontaneously with 1 M H<sup>+</sup>(aq) to form H<sub>2</sub>. B) Ni<sup>2+</sup> reacts spontaneously with H<sub>2</sub>(g) . C) Ag(s) reacts spontaneously with Ni<sup>2+</sup>. D) Ag(s) reacts spontaneously with 1 M NO<sub>3</sub><sup>-</sup> in 1 M H<sup>+</sup>(aq) . E) Ag(s) reacts spontaneously with 1 M H<sup>+</sup>(aq) .NO(g) + 2H2O(l) ; E° = 0.96 V
Which of the following statements is true?


A) Ni2+ reacts spontaneously with 1 M H+(aq) to form H2.
B) Ni2+ reacts spontaneously with H2(g) .
C) Ag(s) reacts spontaneously with Ni2+.
D) Ag(s) reacts spontaneously with 1 M NO3- in 1 M H+(aq) .
E) Ag(s) reacts spontaneously with 1 M H+(aq) .

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