1>CH三CH+H2-催化剂→CH2=CH22>CH2=CH2+H2-催化剂→CH3CH33>CH3CH3+Cl2-光→CH3CH2Cl+HCl4>CH2=CH2+Cl2-→CH2ClCH2Cl5>nCH2=CH2-催化剂→-[CH2-CH2]-n6>CH2=CH2+HCl-→CH3CH2Cl7>CH3CH2Cl+NaOH-乙醇-△→CH2=CH2↑+NaCl+H2O8>CH3CH2OH-浓H2SO4-170℃→CH2=CH2+H2O9>CH2=CH2+H2O-催化剂→CH3CH2OH10>CH2ClCH2Cl+2NaOH-乙醇-△→CH三CH+2NaCl+2H2O11>CH三CH+HCl-→CH2=CHCl12>CH三CH+Cl2-→CHCl=CHCl13>CHCl=CHCl+Cl2-→CHCl2CHCl214>CH3CH2Cl+NaOH-水-△→CH3CH2OH+NaCl15>CH3CH2OH+HCl-△→CH3CH2Cl+H2O16>2CH3CH2OH+O2-Cu或Ag-△→2CH3CHO+H2O17>CH3CHO+H2-催化剂-△→CH3CH2OH18>2CH3CHO+O2-催化剂-△→2CH3COOH19>2CH3COOH+2Na-→2CH3COONa+H2↑20>CH3CH2OH+CH3COOH-浓H2SO4（可逆）→CH3COOCH2CH3+H2O21>CH3COOCH2CH3+H2O-稀H2SO4-△（可逆）→CH3CH2OH+CH3COOH（苯环画不出来,用PhH表示）22>C6H6+3H2—Ni—△→C6H1223>PhH+Br2—FeBr3→PhBr+HBr（剩下两个见图）25>C6H5ONa+HCl—→C6H5OH+NaCl