Which of the following is an alkane?
Butene
Hexanol
Pentane
What is the general formula for an alkane?
CnH2n
CnH2n+2
CnH3n
What is the name of the alkane with the formula C3H8?
Methane
Ethane
Propane
What is meant by the term 'saturated', when applied to hydrocarbons?
Molecules contain at least one C=C double bond
All carbon atoms are joined by C-C single bonds
Molecules contain only carbon and hydrogen atoms
What is the name of the process which separates crude oil into simpler mixtures of hydrocarbon compounds?
Cracking
Polymerisation
Fractional distillation
Where in the fractionating column will the longest hydrocarbons condense?
At the top
In the middle
At the bottom
Which of the following is an alkene?
C2H4
C4H10
C3H8
What is produced during the complete combustion of propane?
Water and carbon
Carbon monoxide and carbon dioxide
Carbon dioxide and water
What is seen when ethene is bubbled through bromine water?
A colour change from orange to colourless
A colour change from green to red
The bromine water goes cloudy
Which of these alkanes has the highest boiling point?
C2H6