1)CH3-COONa+NaOH=CH4+Na2CO3
2)CH4+Cl2=CH3Cl+HCl
3)2CH3Cl+2Na=2NaCl+C2H6
4)C2H6+Cl2=C2H5Cl+HCl
5)2C2H5Cl+2Na=C4H10+2NaCl
6)C4H10(t,k)=C4H8+H2
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