When metal A is placed in a solution of metal ions B2+, a reaction occurs betwee

Question

When metal A is placed in a solution of metal ions B2+, a reaction occurs between A and B2+, and metal ions A2+ appear in the solution. When metal B is placed in acid solution, gas bubbles form on its surface. When metal A is placed in a solution of metal ions C2+, no reaction occurs. Which of the following reactions would not occur spontaneously? A. C(s) + 2H+(aq) H2(g) + C2+(aq) B. C(s) + A2+(aq) A(s) + C2+(aq) C. B(s) + C2+(aq) C(s) + B2+(aq) D. A(s) + 2H+(aq) H2(g) + A2+(aq) E. B(s) + 2H+(aq) H2(g) + B2+(aq)

Explanation / Answer

The answer is C.

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