думаю вы так хотели написать
C2H4 -> C2H5OH -> CH3COH -> CH3COOH -> ClCH2COOH ->NH2CH2COOH
1)
C2H4+Н2О -> C2H5OH
2)
CuО+C2H5OH-> CH3COH+Cu+Н2О
3)
CH3COH +Ag2О-> CH3COOH+Ag
4)
CH3COOH + Cl2 -> ClCH2COOH +НCl
5)
ClCH2COOH + 2NH3 --> NH2CH2COOH + NH4Cl
