HMMT November 2017 U19
- Guts
- Answer
The skeletal structure of coronene, a hydrocarbon with the chemical formula , is shown below.

Each line segment between two atoms is at least a single bond. However, since each carbon (C) requires exactly four bonds connected to it and each hydrogen requires exactly one bond, some of the line segments are actually double bonds. How many arrangements of single/double bonds are there such that the above requirements are satisfied?
Dataset text NuminaMath olympiads. Quoted with source.
Show the answer
20
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.