8. Exercises VIII

Answer the following question:

  

 

No reaction will occur because copper is significantly less non-reactive.No reaction will occur because copper is significantly less reactive.No reaction will occur because copper is significantly more reactive.Reaction will occur because copper is significantly less reactive..

Iron being more reactive than copper will replace copper from its solution, and a bluebrowngreenyellow coating of copper is deposited on the iron nails. Also, the blue colour turns greenbluebrownyellow.