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

question 97

Multiple Choice

Given:
Ni²⁺(aq) + 2e^- Ni(s) ; E° = -0.23 V
2H⁺(aq) + 2e^- H₂(g) ; E° = 0.00 VAg⁺(aq) + e^- Ag(s) ; E° = 0.80 V
NO₃^-(aq) + 4H⁺(aq) + 3e^- 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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