Alkenes (Edexcel GCSE Chemistry): Flashcards
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Practise the cards
14 cards from this deck
Atoms found in hydrocarbons
Atoms found in hydrocarbons
Carbon and hydrogen only
Type of bond in alkenes
Type of bond in alkenes
Double bond between carbon atoms
Meaning of unsaturated in alkenes
Meaning of unsaturated in alkenes
Not bonded to as many H atoms as possible
General formula for alkenes
General formula for alkenes
Simplest alkene and its formula
Simplest alkene and its formula
Ethene ()
Formula for propene
Formula for propene
Formula for butene
Formula for butene
Why are alkenes more reactive than alkanes
Why are alkenes more reactive than alkanes
Double bond is weaker and can easily break
Name for reactions where alkene double bond breaks
Name for reactions where alkene double bond breaks
Addition reactions
What happens in addition reactions
What happens in addition reactions
New atoms added when double bond breaks
Substance that reacts with alkenes to test for them
Substance that reacts with alkenes to test for them
Bromine water
Original colour of bromine water
Original colour of bromine water
Orange
Colour of bromine water after reacting with alkene
Colour of bromine water after reacting with alkene
Colourless
What bromine water tests for
What bromine water tests for
Presence of alkenes