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
Correct Answer: Option 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.