Question

silver nitrate solution is colourless . name one metal which when placed in this solution change to blue . name the type of chemical reaction taking place and support your answer by a chemical equation

Answer 1

If copper metal is placed in silver nitrate solution, the colour of solution changes to blue.
The reaction taking place is given as follows-
2AgNO₃ + Cu → Cu(NO₃)₂ + 2Ag

​Type of chemical reaction- Displacement reaction.
Copper being more reactive than silver, thus it displaces it from its salt solution.