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438569
Alkanes and Alkenes
Description
GCSE C2 Mind Map on Alkanes and Alkenes, created by danielberthaur on 13/12/2013.
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gcse
Mind Map by
danielberthaur
, updated more than 1 year ago
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Created by
danielberthaur
almost 11 years ago
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Resource summary
Alkanes and Alkenes
Alkanes
Saturated hydrocarbons
Have single bonds only
Means they are saturated with hydrogen
Alkenes
Unsaturated hydrocarbons
Have at least one double bond
Addition reactions
Carbon-Carbon double bond in alkenes means another atoms can be added
Hydrogen and Bromine can be added in this way
When hydrogen is added to an alkene (hydrogenation), the corresponding alkane is formed.
When Bromine is added to an alkene it forms a dibromoalkane.
Double bond breaks and 2 bromine atoms attach
Its useful as it can be used to test for presence of an alkene
Brown/orange bromine water will react with alkenes and its colour disapears as the product formed is colourless
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