Organic nomenclature challenge
I’ll show you a skeletal formula. Type the systematic name.
Guided explains how to get the answer. Your choice is saved across the organic games in this browser.
Topics in this mix
How to get the name
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How I mark your name
Include the position numbers needed to distinguish the structure, with commas and hyphens in the right places. Optional numbers can be left out: methylpropane and butanone also earn full marks. Ordinary keyboard hyphens and harmless capitalisation differences are fine. Spelling still counts.
Each correct name earns 2 game points. I also accept exam-safe alternatives such as propylamine; when I prefer another systematic form, I’ll show it after your answer.
If the chemistry is right but the punctuation or your board’s naming convention needs attention, you get 1 game point and I’ll show the form to use. Game points are not exam marks. Beyond exam deliberately goes past normal A-level assessment and is there when you want a harder challenge.
What does “locant” mean?
A locant tells you where something sits in a name. It is usually a number, although it can be N for a group attached directly to nitrogen. In butan-2-ol, 2 tells you the OH group is on carbon 2. In N-methylethanamine, N tells you the methyl group is attached directly to nitrogen.