CH3COONa --> CH4 --> CH4Br --> C2H6 --> C2H5Cl --> C4H10 --> C4H8 --> C4H10
CH3COONa+NaOH->CH4+Na2CO3 CH4+ Br2-> CH3Br+ HBr 2CH3Br+ 3Na -> CH3-CH3 + 2NaBr C2H6 + Cl2-> C2H5Cl + HCl 2C2H5Cl + 2Na -> C4H10 + 2NaCl C4H10 -> C4H8 + H2 C4H8 + H2-> C4H10