Topics 10 & 20

IB Chemistry: Topics 10 & 20

Organic chemistry is one of the bigger topics in terms of time and content. It takes up 11 of the 95 hours of Core time and 23 of the 155 hours allotted to the Core and AHL for Higher Level students. You will need to plan carefully how and when you intend to teach it. There are several different approaches that teachers have used successfully in the past. Some just plough through it as it is set out in the programme....


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Comments 3

Bill Chia 20 February 2018 - 23:34

Hi Geoffrey,

Can I check if the 2,4DNPH test for carbonyls and Tollen's reagent for aldehydes need to be taught for redox reactions in Org. Chemistry? It is not stated clearly in the curriculum.

Thanks!

Paul Lloyd 21 February 2018 - 07:37

Hi Bill
Geoff is away in the Himalayas, beyond wifi for a while. I'm a friend of Geoff's and an IB Chemistry workshop leader, helping out on the website while he's away. 2,4DNPH and Tollen's are not required to be taught. I think that students only need to know about suitable reducing agents (e.g. lithium aluminium hydride and sodium borohydride) and suitable oxidising agents (e.g. potassium dichromate) in relation to aldehydes and ketones. Best wishes
Paul

Bill Chia 22 February 2018 - 01:37

Thanks Paul!


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