BRAINCAKEAlkanes
Revision notes for Alkanes in OCR Chemistry A (H432). Read the start of any lesson here, then sign in free for the whole lesson, the R.E.C.I.P.E. recall steps and the quiz.
- Crude OilMost of the energy used worldwide comes from coal, crude oil and natural gas.
- Cracking and ReformingShorter chain alkanes, branched and cyclic hydrocarbons are better fuels as they undergo more efficient combustion.
- Complete CombustionAlkanes make good fuels as they can burn and combustion is an exothermic process.
- Incomplete CombustionWhen there is a limited supply of oxygen, alkanes burn to produce either carbon monoxide or carbon.
- Oxides of Sulfur and NitrogenCrude oil contains sulfur and nitrogen.
- Catalytic ConvertersCatalytic converters are fitted to car exhaust systems to reduce pollution.
- Alternative FuelsAlternative fuels are needed to preserve fossil fuel resources and to reduce global warming and climate change.
- Free Radical SubstitutionThe halogenation of alkanes takes place by a mechanism called free radical substitution and can be considered to take place in three steps…