Question

When a copper wire is left in silver nitrate solution, it is observed that the solution turns bluish green.

(a) Explain the observation .

(b) Write the balanced chemical equation to represent the change taking place.

Answer 1

(a) This happens due to displacement reaction, copper being more reactive than silver displaces it from it's solution.

(b) 2 AgNO3 + Cu ➡ Cu(NO3)2 + 2 Ag