Edexcel IAL Chemistry AS 10.7 Primary, secondary and tertiary halogenoalkanes
Edexcel IAL Chemistry AS 10.7 Primary, secondary and tertiary halogenoalkanes

Pearson Edexcel IAL Chemistry syllabusChemistry YCH11First assessment 2019
Locate the C–X carbon, count only the other carbons directly bonded to it and then select, name or draw the isomer matching the required class.
How this is tested
- Classify a halogenoalkane by counting carbon neighbours of the carbon bonded to X.
- Name or draw the C₄H₉Br isomer matching a specified primary, secondary or tertiary class.