(iii) Phosphorus pentachloride forms molecular dimers in
CCl_(4)
solution. Describe and draw the structure of the dimer. [2 marks] (iv) Describe and draw the solid-state structure of
SnF_(4)
given that it is an infinite solid and the Sn has
sp^(3)d^(2)
hybridisation. [2 marks] (v) Draw the structure of disulfur decafluoride, ensuring that your diagram has the correct number of electrons present. [1 mark]