(a(i))
Describe and explain the trend in the volatilities of the Group IV chlorides $\text{CCl}_4$, $\text{GeCl}_4$ and $\text{PbCl}_4$.
(a(ii))[7]
Describe and explain the reactions, if any, of these chlorides with water. Write equations for any reactions that occur, where applicable.
(b(i))
Identify the two white solids, $B$ and $C$, referred to above.
(b(ii))[4]
Suggest an equation for each of the four reactions described above, one per reaction.