We write down the reaction equation for the following chain: CH3Br → C2H6 → C2H4 → C2H4CL2 → C2H4 → CO2
1) CH3Br + 2Na + CH3Br = C2H6 + 2NaBr
Wurtz reaction. Getting ethane from bromomethane. 2) C2H6 (t. Cat.) = C2H4 + H2
Dehydrogenation reaction. It runs at a temperature and a catalyst. Getting ethene from ethane.
3) C2H4 + Cl2 = C2H4Cl2
Halogenation reaction. Getting dichloroethane from ethene.
4) C2H4Cl2 = C2H4 + Cl2
Getting ethene from dichloroethane.
5) C2H4 + 3O2 = 2CO2 + 2H2O
Combustion reaction. Obtaining carbon dioxide from ethene.
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