Paper 2: Incomplete Combustion Flashcards
1
Q
When does incomplete combustion happen?
A
When the supply of oxygen to a burning fuel is limited
2
Q
What happens during complete combustion of a hydrocarbon fuel?
A
Hydrogen is oxidised to water vapour
Carbon is oxidised to carbon dioxide
Energy is given out
3
Q
During incomplete combustion hydrogen is still oxidised to water vapour but what else happens?
A
Carbon may be partially oxidised to carbon monoxide
Carbon may be released as carbon particles or soot
Less energy is given out
