Chemistry A-Level
Alphabetical ordering of substituents
What Alphabetical ordering of substituents means in Chemistry A-Level, as defined for OCR.
Definition of Alphabetical ordering of substituents
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Reference: OCR
Naming and locating side chains as prefixes such as methyl-, ethyl- and chloro- in alphabetical order, not numerical order.
Topics that use Alphabetical ordering of substituents
- Basic concepts of organic chemistry (OCR A-Level)
Related terms
- Aromatic compound
- carboxyl group
- Characteristic reactions
- Condensed notation with brackets and subscripts
- Contrast with heterolytic fission
- Curly arrow notation
- delocalised electrons
- Displayed formula
Using Alphabetical ordering of substituents in the exam
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