Edexcel IGCSE Chemistry 4.20 Alcohol structures
Practise explaining alkane structures as saturated hydrocarbons, focusing on carbon, hydrogen and the absence of double bonds.
- Syllabus
- First assessment 2019
- Course
- Chemistry 4CH1
Exam points
- explain why ethane or butane is saturated by stating it has only single bonds
- link the absence of C=C bonds to alkanes not undergoing addition with bromine
- distinguish a hydrocarbon from other compounds by recognising only carbon and hydrogen atoms
4.20 Saturated hydrocarbons question 1
[Maximum number: 1]
This question is about alkanes and alkenes.
Ethane and ethene each react with bromine, but under different conditions.
Give a reason why ethane does not undergo an addition reaction with bromine.
any one from:
M1 ethane is saturated
M2 ethane has no double bonds
M3 ethane has single bonds only
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