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IB Approved Workshops
Chemistry (New Syllabus)
IB DP Category 1
Online (IB Approved), 25 - 27 October 2024
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Chemistry: A focus on internal assessment
IB DP Category 3
Online (IB Approved), 21 - 23 March 2025
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Virtual Think-Ins
The IA in Chemistry
Virtual Think-In, 4 November 2024
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Latest updates
2023 DP Chemistry (1st exam May 25)
Areas of difficulty
I’ve been marking IB Chemistry papers now for a long time and there are several areas that every year many students seem to find particularly difficult. Some of these (such as hybridization) we might...
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Course for students (1st exam May 25)
R3.4 (AHL) Electron-pair sharing reactions
Written specifically for students to provide help and support for the IB Diploma chemistry programme this page provides full coverage of the Higher Level syllabus content of Topic R3.4 Electron-pair sharing...
2023 DP Chemistry (1st exam May 25)
R2.1 Amount of chemical change
How are chemical equations used to calculate reacting ratios? Knowing the correct equation and stoichiometry of a reaction enables the theoretical yield of a desired product to be calculated. In chemical...
Course for students (1st exam May 25)
R3 What are the mechanisms of chemical change?
This is the largest of the six main topics. It is divided into three main strands which loosely could go under the general headings of Acids and bases (R3.1), Oxidation and reduction (R3.2) and Organic...
Course for students (1st exam May 25)
MC test: R3.4 (AHL) Electrophilic addition & substitution
To give your students access to this page you will need to change the default access from "OFF" to "ON". Use the following 'quiz' to test your knowledge and understanding of this sub-topic. You have access...
Course for students (1st exam May 25)
MC test: R3.4 (AHL) Nucleophilic substitution
To give your students access to this page you will need to change the default access from "OFF" to "ON". Use the following 'quiz' to test your knowledge and understanding of this sub-topic. You have access...
Course for students (1st exam May 25)
MC test: R3.4 (AHL) Lewis acids & bases
To give your students access to this page you will need to change the default access from "OFF" to "ON". Use the following 'quiz' to test your knowledge and understanding of this sub-topic. You have access...
Course for students (1st exam May 25)
Practice questions: R3.4 (AHL) Lewis acids & bases
Use the following practice questions to check your knowledge and understanding of this sub-topic. You will need access to the IB data booklet. You have direct access to these questions so you will not...
Course for students (1st exam May 25)
Practice questions: R3.4 (AHL) Electrophilic addition & substitution
Use the following practice questions to check your knowledge and understanding of this sub-topic. You will need access to the IB data booklet. You have direct access to these questions so you will not...
Course for students (1st exam May 25)
Practice questions: R3.4 (AHL) Nucleophilic substitution
Use the following practice questions to check your knowledge and understanding of this sub-topic. You will need access to the IB data booklet. You have direct access to these questions so you will not...