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WorksheetsReactions of alkenes and combustion
Total questions: 11
Worksheet time: 15mins
What are unsaturated hydrocarbons?
They are straight-chain and unbranched.
They each contain only one carbon-carbon double bond.
They each contain one or more carbon-carbon double bonds.
They are bonded to the maximum number of hydrogen atoms that they can bond to.
Which compound is an alkene?
C2H6
C3H8
C4H8
C5H8
Which substance is only produced in incomplete combustion?
CO
CO2
H2O
NO2
What other reactant and conditions are needed to turn an alkene into an alkane?
steam and high temperature
hydrogen, catalyst and high temperature
bromine, catalyst and heat
steam, high temperature and pressure
What other reactant and conditions are needed to turn an alkene into an alcohol?
steam and high temperature
bromine and high temperature
steam, catalyst, high temperature
hydrogen and high temperature
What happens during bromination when aqueous bromine is added to an alkene?
Effervescence produced.
Solution remained red-brown.
Colourless solution turned red-brown.
Red-brown solution turned colourless.
