State which of the following chemical reactions will take place or not, giving suitable reason for each?


#1

State which of the following chemical reactions will take place or not, giving suitable reason for each?


#2

(i) Zinc displaces copper from copper sulphate because zinc is more reactive than copper as it is placed above copper in the reactivity series of metals.
(ii) This reaction will not occur as iron is less reactive than zinc.
(iii) Zinc displaces iron because zinc is more reactive than iron.