4) The following compounds gave dimer, trimer, and tetramer aggregates in solution

as shown.

group

10.5

choyo

Gotowe dowo

MH

Graf}

a) Propose an explanation for why the different compounds give different

aggregates in solution. Use the angular dependencies from Peter Stang's Chem

Reviews article, cited in class, as part of your explanation.

Mole fraction

Monomer

Tatrame

Di

Open

of goners

10

11.7

b) For 10.8, the following species distribution diagram was observed as a function

of concentration. Explain why i) monomer is observed at low concentration; ii)

tetramer is observed at medium concentration, and iii) why polymer forms at high

concentration.

Regre

Log (12h porpholdm

5

10

Polymer