А)
1)CH3-COH+2Cu(OH)2--t,OH⁻---->CH3-COOH+Cu2O+2H2O;
2)CH3-COOH+Cl2---кр.P---->Cl-CH2-COOH+HCl;
3)Cl-CH2-COOH+CH3-CH2-OH---к.H2SO4,t---->Cl-CH2-COO-CH2-CH3+H2O;
4)Cl-CH2-COO-CH2-CH3+2NH3---t--->NH2-CH2-COO-CH2-CH3+NH4Cl;
б)
1)CH3-C(O)-CH3+H2--t,Ni--->CH3-CH(OH)-CH3;
2)CH3-CH(OH)-CH3--t>140°C,к.H2SO4--->CH2=CH-CH3+H2O;
3)CH2=CH-CH3+HBr------>CH3-CH(Br)-CH3;
4)CH3-CH(Br)-CH3+2NH3--t-->CH3-CH(NH2)-CH3+NH4Br;