Below are a list of availble past IB Chemistry IA example courseworks from the IBO website. They are complete works submitted along with marks, marking rubrics and examiner comments.
IB Chemistry IA Examples
IBO Site
Student work (PDF)
Examiner comments (PDF)
Mark scheme
1 - Factors effecting the boiling and melting points in organic homologous series
Mark: 22/24
IBO Site
Student work (PDF)
Examiner comments (PDF)
Mark scheme
2 - The effect of halogen atom substitution on bond angles in halogenated compounds
Mark: 19/24
IBO Site
Student work (PDF)
Examiner comments (PDF)
Mark scheme
4 - An investigation into the dependence of egg protein denaturation on temperature
Mark: 19/24
IBO Site
Student work (PDF)
Examiner comments (PDF)
Mark scheme
5 - Impact of increased water acidity on coral reefs based on a study of the kinetics of CaCO3 and HCl
Mark: 18/24