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Preparation of 1,3-dinitrobenzene

The theory behind this practical is really only for Higher Level students as it is an example of an electrophilic substitution reaction covered in the Additional Higher Level material on the syllabus in Topic R3.4 (AHL) Electron-pair sharing reactions. However this preparation contains many of the practical techniques listed for both SL and HL students under Tools, including reflux, recrystallisation, melting point determination...

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