What is the name of the alkane which has the formula C4H10?
Propane
Butane
Methane
Alkanes are saturated hydrocarbons. What does this mean?
There are some C=C double bonds present in the molecule
All its carbon atoms are bonded by single covalent bonds
They cannot dissolve any more solute
What forms when alkanes and alkenes burn in a plentiful supply of oxygen or air?
Carbon dioxide only
Water only
Carbon dioxide and water
Ethene reacts with hydrogen to form ethane. What type of reaction is involved?
Addition
Substitution
Subtraction
How do you test for an alkene?
Alkanes turn universal indicator purple
Alkenes turn bromine water colourless
Alkenes turn limewater milky
A substance has the formula C6H12. What type of substance is it most likely to be?
An alkane
An alkene
An alcohol
What is the name of the alcohol that has two carbon atoms in its molecules?
Methanol
Ethanol
Propanol
Ethanol can be oxidised to form ethanoic acid and water. What organic product is formed by the similar oxidation of methanol?
Methanoic acid
Water
Methene
What is the functional group in alcohols?
–OH
–COOH
C=C
What gas is produced when ethanoic acid is added to magnesium?
Oxygen
Carbon dioxide
Hydrogen