IB Chemistry IA Example Courseworks

Past IA’s with Marking Rubrics and Examiner Comments

Below are a collection of Internal Assessments, conducted by previous IB students. They have been marked by official IB examiners and the examiner comments are found below.

IB Chemistry Example IA's

1 - Factors effecting the boiling and melting points in organic homologous series
IBO Site

Mark: 22/24

Student work (PDF) Examiner comments (PDF)
2 - The effect of halogen atom substitution on bond angles in halogenated compounds
IBO Site

Mark: 19/24

Student work (PDF) Examiner comments (PDF)
3 - Positive inductive effect of methyl groups in nine simple alcohols
IBO Site

Mark: 17/24

Student work (PDF) Examiner comments (PDF)
4 - An investigation into the dependence of egg protein denaturation on temperature
IBO Site

Mark: 19/24

Student work (PDF) Examiner comments (PDF)
5 - Impact of increased water acidity on coral reefs based on a study of the kinetics of CaCO3 and HCl
IBO Site

Mark: 18/24

Student work (PDF) Examiner comments (PDF)
6 - A study of the saponification reaction of olive oil
IBO Site

Mark: 19/24

Student work (PDF) Examiner comments (PDF)
7 - Investigating the oxidative rancidity of polyunsaturated oils
IBO Site

Mark: 19/24

Student work (PDF) Examiner comments (PDF)
8 - The enthalpy of combustion of alcohols
IBO Site

Mark: 12/24

Student work (PDF) Examiner comments (PDF)
9 - Investigating lipids suitable for manufacturing soap for a school project
IBO Site

Mark: 14/24

Student work (PDF) Examiner comments (PDF)
10 - Effect of cooking time on chlorophyll degradation
IBO Site

Mark: 14/24

Student work (PDF) Examiner comments (PDF)
11 - Hydrolysis of PVA
IBO Site

Mark: 19/24

Student work (PDF) Examiner comments (PDF)
12 - Ion absorption properties of sodium polyacrylate
IBO Site

Mark: 20/24

Student work (PDF) Examiner comments (PDF)
13 - Catalysis of iodine clock reaction
IBO Site

Mark: 21/24

Student work (PDF) Examiner comments (PDF)
14 - Lattice enthalpy
IBO Site

Mark: 21/24

Student work (PDF) Examiner comments (PDF)
15 - Boiling points of binary mixtures
IBO Site

Mark: 20/24

Student work (PDF) Examiner comments (PDF)
16 - Effect of red wine tannin concentration on methylene blue oxidation
IBO Site

Mark: 23/24

Student work (PDF) Examiner comments (PDF)
17 - Oxidation of luminol
IBO Site

Mark: 23/24

Student work (PDF) Examiner comments (PDF)
18 - Reaction kinetics of hydrolysis of sucrose using polarimetry
IBO Site

Mark: 22/24

Student work (PDF) Examiner comments (PDF)
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