AQA GCSE CHEMISTRY - C10 QUESTIONS
WITH CORRECT ANSWERS 2026
What is the scientific name for a 'chemical family' - CORRECT ANSWER -A homologous series
What are alkanes and alkenes known collectively as? - CORRECT ANSWER -Alkynes
What is a functional group? - CORRECT ANSWER -
Specific groups of bonds or atoms which determine the chemical properties of substances within a ho
mologous series
Why are alkenes not generally used as fuels? - CORRECT ANSWER -
They are less likely to completely combust and are therefore less efficient than alkanes
Why are alkenes more reactive than alkanes? - CORRECT ANSWER -
Their double carbon bond does not take that much energy to break
What group are alkenes/alcohol more likely to react with? - CORRECT ANSWER -7
What happens when an alkene reacts with hydrogen? - CORRECT ANSWER -It becomes an alkane
What conditions are needed for alkenes to react with hydrogen? - CORRECT ANSWER -
60 Degrees Centigrade, Nickel catalyst
What is the process of turning alkenes back into alkanes called? - CORRECT ANSWER -Hydrogenation
Where is hydrogenation used in industry? - CORRECT ANSWER -To turn vegetable oils into margarine
What happens when an alkene is reacted with water? - CORRECT ANSWER -It becomes an alcohol
WITH CORRECT ANSWERS 2026
What is the scientific name for a 'chemical family' - CORRECT ANSWER -A homologous series
What are alkanes and alkenes known collectively as? - CORRECT ANSWER -Alkynes
What is a functional group? - CORRECT ANSWER -
Specific groups of bonds or atoms which determine the chemical properties of substances within a ho
mologous series
Why are alkenes not generally used as fuels? - CORRECT ANSWER -
They are less likely to completely combust and are therefore less efficient than alkanes
Why are alkenes more reactive than alkanes? - CORRECT ANSWER -
Their double carbon bond does not take that much energy to break
What group are alkenes/alcohol more likely to react with? - CORRECT ANSWER -7
What happens when an alkene reacts with hydrogen? - CORRECT ANSWER -It becomes an alkane
What conditions are needed for alkenes to react with hydrogen? - CORRECT ANSWER -
60 Degrees Centigrade, Nickel catalyst
What is the process of turning alkenes back into alkanes called? - CORRECT ANSWER -Hydrogenation
Where is hydrogenation used in industry? - CORRECT ANSWER -To turn vegetable oils into margarine
What happens when an alkene is reacted with water? - CORRECT ANSWER -It becomes an alcohol
