How do you account for formation of ethane during chlorination of meth

1.	How do you account for formation of ethane during chlorination of methane ?
Answer» SOLUTION :Chlorination of methane is a free radical reaction which OCCURS by the FOLLOWING mechanism : From the above mechanism, it is evident that during propagation step, `oversetdot(CH_3)` free radicals are produced which may undergo THREE reactions , i.e. (i)-(iii). In the chain termination step , the two `oversetdot(CH_3)` free radicals combine together to FORM ethane `(CH_3-CH_3)` molecules .

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