When zinc is added to AgNO\(_{3}\) solution, crystals of silver forms on the zinc surface….

Chemistry WAEC 2018

When zinc is added to AgNO\(_{3}\) solution, crystals of silver forms on the zinc surface. This indicates that zinc is

  • oxidised checkmark
  • reduced
  • decomposed
  • dissociated

The correct answer is: A

Explanation

Reaction: \(2AgNO_{3} + Zn \to Zn(NO_{3})_{2} + 2Ag\)

The oxidation number of Zn in the reactant is 0, and in the product is +2. Therefor, it is oxidized.

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