Summary questions 1 If zinc is placed in a solution of copper(i) nitrate, a reaction occurs.
a Explain why a reaction occurs.
b Give a balanced chemical equation and a balanced Ionic equation for
the reaction.
c What happens to the colour of the copper(ii
) nitrate solution? Explain
why this occurs.
2 For each of the following, predict whether or not a displacement reaction
will accur:
a aluminium + lead(b) nitrate solution
b silver + calcium nitrate solution
c iodine + sodium chloride solution
d bromine + potassium iodide solution.
3 Which of the metals in the electrochemical series will release hydrogen
gas when added to hydrochloric acid?
4 A metal X was found to displace zinc from zinc nitrate solution but
no displacement occurred when it was added to magnesium nitrate
solution. Arrange the three metals, X. zinc and magnesium in decreasing
order of ease of ionisation,