Question

What happens when a piece of
i. zinc metal is added to copper sulphate solution?
ii. aluminium metal is added to dilute hydrochloric acid?
iii. silver metal is added to copper sulphate solution?
Also write the balanced chemical equation if the reaction occurs.

Answer 1

Zinc metal reacts with copper sulphate solution and forms colourless zinc sulphate and reddish brown copper metal.

ii. Aluminium metal reacts with dilute hydrochloric acid to form aluminium chloride and hydrogen gas.

iii. Silver is less reactive than copper. Hence, no reaction will take place.