Question

A copper coin was kept dipped in a silver nitrate solution for few hours. What will happen to the copper coin and to the colour of the solution?

Answer 1

Answer:

hi

Explanation:

Copper metal is more reactive than silver metal thus, when copper coin is kept immersed in silver nitrate solution for some time, it displaces silver from silver nitrate solution.

The reaction is :

Cu + 2AgNO3 ---> Cu(NO3)2 + 2Ag

The grey solid crystal of Ag metal are seen growing on the copper coin and solution turns blue in colour.

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Answer 2

Answer:

Copper is more reactive than silver.

Hence, it displaces silver from the silver nitrate solution

Explanation:

COLOUR-The solution becomes blue due to the formation of copper nitrate.