1) CH4 -> C2H2:CH4 -> C + 2H2C + H2 -> C2H2
2) C2H2 -> C6H6:3C2H2 -> C6H6
3) C6H6 -> C6H5Cl:C6H6 + Cl2 -> C6H5Cl + HCl
1) CH4 -> C2H2:
CH4 -> C + 2H2
C + H2 -> C2H2
2) C2H2 -> C6H6:
3C2H2 -> C6H6
3) C6H6 -> C6H5Cl:
C6H6 + Cl2 -> C6H5Cl + HCl