1) CH4 +Br2 -> CH3Br + HBr2) CH3Br + NaOH -> C2H5OH + NaBr3) C2H5OH -> C2H4 + H2O4) C2H4 -> C2H2 + H25) C2H2 + 3H2 -> C6H6
1) CH4 +Br2 -> CH3Br + HBr
2) CH3Br + NaOH -> C2H5OH + NaBr
3) C2H5OH -> C2H4 + H2O
4) C2H4 -> C2H2 + H2
5) C2H2 + 3H2 -> C6H6