Ch3ch2chclcl + 2 koh+ hoh=x x + k2cr2o7+h2so4=ch3ch2cooh ch3ch2cooh + cl2, pкрасн.= x2 x2+nahco3=x3 x3+ ch3ch2br=x4

1) CH3CH2CH(Cl)2+2KOH(H2O)=CH3CH2COH+2KCl+H2O

2) 3CH3CH2COH+K2Cr2O7+4H2SO4=3CH3CH2C))H+K2SO4+Cr2(SO4)3+4H2O

3)  CH3CH2COOH+Cl2=CH3CH(Cl)COOH+HCl

4) CH3CHClCOOH+NaHCO3=CH3CHClCOONa+H2O+CO2

5) CH3CHClCOONa+CH3CH2Br=CH3CHClCOOCH2CH3+NaBr