1.A:C2H2 乙炔
B:C2H4 乙烯
C:CH2ClCH3 一氯乙烷
D:CH3CH2OH 乙醇
2.
A到B,CH2三CH2 + H2 = CH2=CH2
B到C:CH2=CH2+HCl=CH3-CH2-Cl
C到B:CH3-CH2-Cl + NaOH = CH3-CH2-OH + NaCl
1.A:C2H2 乙炔
B:C2H4 乙烯
C:CH2ClCH3 一氯乙烷
D:CH3CH2OH 乙醇
2.
A到B,CH2三CH2 + H2 = CH2=CH2
B到C:CH2=CH2+HCl=CH3-CH2-Cl
C到B:CH3-CH2-Cl + NaOH = CH3-CH2-OH + NaCl