Specification Point 4.19:
Know the general formula for alkanes

Alkanes General Formula

Alkanes: A homologous series of hydrocarbon compounds with only single carbon bonds

Equation:

n = number of carbon atoms                CnH2n+2

Specification Point 4.20:
Explain why alkanes are classified as saturated hydrocarbons

Alkanes as Saturated Hydrocarbons

Alkanes: A homologous series of hydrocarbon compounds with only single carbon bonds that has the general formula CnH2n+2

Classification of alkanes:

Alkanes are classified as saturated hydrocarbons as all the bonds in alkanes are single bonds

Example:

Alkanes as saturated hydrocarbons, Edexcel IGCSE Chemistry

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Author: Jamie

Jamie got a First class degree in Chemistry from Oxford University before going on to teach chemistry full time as a professional tutor. He’s put together these handy revision notes to match the Edexcel IGCSE Chemistry specification so you can learn exactly what you need to know for your exams.