Condensed notation with brackets and subscripts
What Condensed notation with brackets and subscripts means in Chemistry A-Level, as defined for OCR.
Definition of Condensed notation with brackets and subscripts
Check what you remember
Read the wording for your board, then hide it and explain Condensed notation with brackets and subscripts in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A compact form in which repeated identical groups are enclosed in brackets with a subscript showing how many units repeat, as in CH₃(CH₂)₂CH₃ for butane.
Topics that use Condensed notation with brackets and subscripts
- Basic concepts of organic chemistry (OCR A-Level)
Related terms
- Alphabetical ordering of substituents
- Aromatic compound
- carboxyl group
- Characteristic reactions
- Contrast with heterolytic fission
- Curly arrow notation
- delocalised electrons
- Displayed formula
Using Condensed notation with brackets and subscripts in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge