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Question

When metal A is placed in a solution of a salt of metal B, the surface of metal A changes color. When metal B is placed in acid solution, gas bubbles form on the surface of the metal.

When metal A is placed in a solution of a salt of metal C, no change is observed in the solution or on the metal A surface.


Comments
  • (a) Will metal C cause formation of H 2 when placed in acid solution? (b) Rank metals A, B, and C in order of decreasing reducing strength. Beatrice commented about 2 years ago
  • 21.50 Beatrice commented about 2 years ago