Fourteen modules, 62 topics and ten mechanisms you perform step by step — pick the nucleophile, draw the arrow, predict the product, and get told exactly why when you're wrong.
Module 1 · Foundations. Nine topics of groundwork before the first mechanism — every arrow later on cashes in something from here.
Start the first lessonFinish a lesson and its concepts join a queue scheduled by how shaky each one was — not by when you studied it.
Drawn from whatever you're closest to forgetting, so a ten-minute day still does the work that matters.
See practice →Each one leans on the last. Foundations pays for everything downstream — but if your exam is on Friday, start where the exam is.
Push electrons on a molecule you drew and watch the structure change. Rotate a Newman projection against a live energy curve. Draw a structure and get its predicted ¹H NMR, splitting explained.
Mechanisms are graded one step at a time, and every topic carries thirty practice questions of its own.
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