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

A.

oxidised

B.

reduced

C.

decomposed

D.

dissociated

View answer & explanation

Correct answer is A

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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