Thank you Paul, since there is a lot of research on environmental chemistry and since chemical processes occurring in the environment is something people experience in their daily life, I would encourage students to pursue an investigation on them....
Using secondary data for the IAThank you for your reply, Paul. I agree that this particular script' quality is poor. Mini.
Sample 1: Genuine marked & moderated IAHello Lauren,In the question you are referring to students are not being asked to name a particular enantiomer. HL students are required to describe and explain (see Structure 3.2.7) that enantiomers have different optical properties....
Practice questions: S3.2 (AHL) StereoisomerismHello Francesca My first response here is to remind myself that the important thing with secondary data based IAs (indeed with all IAs!) is to ensure that they are based on chemistry, and can be explored through a chemistry lens. So if students...
Using secondary data for the IAHello Mini Interestingly, there is no differentiation between HL and SL students in their IA requirements. In theory, investigating the effects of a range of catalysts on the rate of reaction is an investigation that could indeed be complex...
Sample 1: Genuine marked & moderated IAFor Q9, option II, do you believe the naming of enantiomers (and subsequent knowledge of the direction of rotation of plane-polarised light) is included in this syllabus?
Practice questions: S3.2 (AHL) Stereoisomerismhello, I don't understand yet how environmental data can be used as secondary data based investigations. Data recorded on some individual parameters, such as pH and salinity, or pH and concentration of a certain pollutant, could be extracted and compared...
Using secondary data for the IAHello Geoffrey, may I ask- would this type of an investigation be considered 'complex' enough for an HL student? Thank you. Mini
Sample 1: Genuine marked & moderated IAThank you for posting this question, Maeve. I would not have any problem if they accept both, but I was surprised in May2025 TZ1, Paper 2 Question 8, that the Markscheme stated "Do not accept aldehyde". That's why I asked Geoff the same question too....
S3.2 Functional groups - classification of organic compounds
Mike
Good Morning! I was wondering if you can confirm that error bars on a graph is not the expectation for IA's. I feel like that is an IB p[hysics expectation, but not in chemistry. And actually, maybe 5 repeats isn't really enough...
Internal Assessment