Chemistry A-Level
Distinguishing formula types
What Distinguishing formula types means in Chemistry A-Level, as defined for OCR.
Definition of Distinguishing formula types
Check what you remember
Read the wording for your board, then hide it and explain Distinguishing formula types in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A displayed formula draws every bond as a line and shows every hydrogen, unlike a structural formula such as CH₃CH₂OH, which groups atoms, or a skeletal formula, which omits hydrogens on carbon.
Topics that use Distinguishing formula types
- Basic concepts of organic chemistry (OCR A-Level)
Related terms
- Alphabetical ordering of substituents
- Aromatic compound
- carboxyl group
- Characteristic reactions
- Condensed notation with brackets and subscripts
- Contrast with heterolytic fission
- Curly arrow notation
- delocalised electrons
Using Distinguishing formula types 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.
Start free
All Chemistry A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge