【答案】 1.CH3CH2Cl+NaOH乙醇△CH2===CH2↑+NaCl+H2O
2.CH3CH2OH浓H2SO4170 ℃CH2===CH2↑+H2O
3.2CH3CH2OH+O2Cu△2CH3CHO+2H2O
4.CH3COOH+CH3CH2OH浓H2SO4△CH3COOC2H5+H2O
5.OHC-CHO+O2催化剂△HOOC-COOH
6.nHOCH2-CH2OH+nHOOC-COOH\s\up8(一定条件(一定条件)
+(2n-1)H2O
7.CH3CHO+2Ag(NH3)2OH\s\up8(△(△)CH3COONH4+2Ag↓+3NH3+H2O
8.CH3CHO+2Cu(OH)2+NaOH\s\up8(△(△)CH3COONa+Cu2O↓+3H2O
9.+2NaOH醇△+2NaCl+2H2O
10.+Br2\s\up8(FeBr3(FeBr3)+HBr
11.+3Br2―→+3HBr
12.+Br2\s\up8(光(光)+HBr