3.3.2.4 Chlorination of alkanes
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What happens in a reaction between an alkane and a halogen?
They burn and react with halogens to form carbon dioxide and water or carbon monoxide and carbon if there is not a plentiful supply of oxygen The reaction is highly exothermic which makes them good fuels
What are the stages of forming halogenoalkanes from alkanes? (no explanation)
Initiation, propagation, termination
What are the reactions, seperated into stages, of the formation of chloromethane?
X = halogen, RCH3 = alkane Initiation: Cl2 = 2Cl• Propogation: Cl• + CH4 = HCl + •CH3 • CH3 + Cl2 = CH3Cl + Cl• Termination: Cl• + Cl• = Cl2 • CH3 + •CH3 = C2H6 Cl• + •CH3 = CH3Cl
What are the additional products of the chain reaction of forming halogenoalkanes?
CH3Cl + Cl• = •CH2Cl + HCl • CH2Cl + Cl2 = CH2Cl2 + Cl•