Haloalkanes · Beginner
Draw 1-bromobutane
Draw the skeletal structure of 1-bromobutane, then check it. The checker compares the molecule you drew with the answer, so a correct structure is accepted however you draw it.
How this exercise works
- Open the exercise in the editor and draw the structure: drag from dot to dot to draw bonds, and tap a bond or an atom to change it.
- Press Check answer. Equivalent drawings are accepted, and a mistake such as a missing carbon or a misplaced group is explained.
- Stuck? Hints reveal the structure step by step, and the worked answer explains the name.
This exercise has 3 hints and a worked answer.
How to read a name like this
Fluoro-, chloro-, bromo- and iodo- are substituent prefixes in front of the name of the parent alkane. Di-, tri- and tetra- say how many atoms of the same halogen there are, and each of them has its own locant.
Halogens and alkyl groups are numbered together, as equals: the chain is numbered to give all of them the lowest locants, and a tie goes to the prefix that comes first in alphabetical order.
In the drawing every halogen is a single atom at the end of a bond, written with its symbol: F, Cl, Br or I.
Learn the naming rules
The guide Haloalkanes explains the names in this topic, with worked examples.
All the exercises of this family, with a short summary of its naming rules: Nomenclature practice: Haloalkanes.
More exercises: Haloalkanes
- Draw 2-chloropropane
- Draw iodoethane
- Draw bromocyclohexane
- Draw 1,2-dichloroethane
- Draw 2,2-dichloropropane
- Draw 2-bromo-2-methylpropane
- Draw 1-chloro-3-methylbutane
- Draw trichloromethane
- Draw 1,1,1-trichloroethane
- Draw 2-chloro-2-methylbutane
- Draw 1-chloro-2,2-dimethylpropane
- Draw 1-bromo-1-methylcyclohexane
- Draw 1-bromo-3-chloropropane
- Draw 3-bromo-2,2-dimethylbutane
- Draw 1-chloro-3-iodopropane
- Draw 2-bromo-2-chloro-1,1,1-trifluoroethane
Have a structure of your own?
Draw it on the free drawing page and see its name, formula and functional groups as you draw.