What is the maximum
number of formula isomers possible when methane is
chlorinated by the free-radical mechanism?
1 |
||
2 |
||
3 |
||
4 |
Substitution reaction occur when hydrogen atoms in the methane are replaced one at a time by chlorine atoms via free radical mechanism.
At the end of the reaction a mixture of chloromethane, dichloromethane ,trichloromethane and tetrachloromethane.
CH4 + Cl2 ---> CH3Cl + HCl
CH3Cl + Cl2 ---> CH2Cl2 + HCl
CH2Cl2 + Cl2 ---> CHCl3+ HCl
CHCl3 + Cl2 ---> CCl4+ HCl
So the maximum number of formula isomers possible when methane is chlorinated by the free-radical mechanism are 4
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