Alkenes (Edexcel GCSE Chemistry Combined Science): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What type of bond do alkenes contain between carbon atoms?
What type of bond do alkenes contain between carbon atoms?
At least one double bond
Why are alkenes described as unsaturated?
Why are alkenes described as unsaturated?
They have fewer hydrogen atoms than possible
What is the general formula for alkenes?
What is the general formula for alkenes?
What is the simplest alkene?
What is the simplest alkene?
Ethene ()
What is the molecular formula for propene?
What is the molecular formula for propene?
What is the molecular formula for butene?
What is the molecular formula for butene?
Why are alkenes more reactive than alkanes?
Why are alkenes more reactive than alkanes?
The double bond is weaker
What are reactions called where an alkene's double bond breaks and atoms are added?
What are reactions called where an alkene's double bond breaks and atoms are added?
Addition reactions
What happens during an addition reaction with an alkene?
What happens during an addition reaction with an alkene?
Double bond breaks, new atoms are added
Which type of hydrocarbon can react with bromine water?
Which type of hydrocarbon can react with bromine water?
Only alkenes
What colour change occurs when bromine water reacts with an alkene?
What colour change occurs when bromine water reacts with an alkene?
Orange to colourless
What is the bromine water colour change used to test for?
What is the bromine water colour change used to test for?
Presence of alkenes