Question

when copper turning are added to AgNO3 solution ,a blue coloured solution is formed after some time. it is because copper is??​

Answer 1

Answer:

ot is because copper is more reactive than silver(ag) so copper displace silver from its solution :)

Answer 2

Answer:

When Cu is added to AgNO3, Cu displaces Ag from it's solution to form Cu(NO3)2 as Cu is more reactive than Ag.

Due to the formation of Cu(NO3)2, the solution turns blue.

Reaction:

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

Hope it is clear.