1.

How can you convert methane into chloroform by a substitution reaction? Explain with the help of a chemical equation.

Answer»

Solution :Methane undergoes substitution REACTION with excess of chlorine gas in the presence of sunlight to give chloroform. The reaction involves gradual REPLACEMENT of HYDROGEN, one atom at a time.
`CH_4 + Cl_2 overset("LIV")(rarr) underset("Chloromethane")(CH_3Cl) + HCL`
`CH_3Cl + Cl_2 overset("liv")(rarr) underset("Dichlomethane")(CH_2Cl_2) + HCl`
`CH_2Cl_2 + Cl_2 overset("liv")(rarr) underset("Chloroform") + HCl`


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