IB Chemistry SL 3.3.1 Radicals Question Bank
Practise IB Chemistry SL 3.3.1 with questions recognising radical notation, unpaired electrons and high reactivity.
- Syllabus
- First assessment 2025
- Course
- Chemistry SL
- Level
- SL
Exam points
- identify the dot in a formula as an unpaired electron rather than an ionic charge
- distinguish radical species from molecules and ions with similar atom compositions
- relate the unpaired electron to high reactivity without assuming every fragment is stable
3.3.1—Radicals question 1
[Maximum number: 1]
Antioxidants are a type of food additive.
Antioxidants such as BHT and 3-BHA prevent the unwanted reactions of free radicals. State what a free radical is.
(species) with unpaired electron / resulting from homolytic bond fission;
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