OCH - Organic chemistry

There are 892 question available, another 11 are in draft state
The Portal is a tool for practising organic chemistry by problem solving.
You can use the Portal to test yourself.
First, choose the level of difficulty, then the topic to be practised or tested.
The topic could be chosen according to the type of compounds or the type of reactions.
Record your answers with structural formulas in the drawing programme.If you are here for the first time, we suggest you first go through a brief tutorial
Study the corresponding chapter in the course book before practicing.

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