Ответ:

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1. С2H4 + HBr → C2H5Br

2. C2H5Br + NaOH → C2H5OH + NaBr

3. C2H5OH + PCC → CH3COH

4. CH3COH + NaOH → CH3COONa + H2O

5. CH3COONa + HCl → CH3COOH + NaCl

6. CH3COOH + SOCl2 → CH2ClCOOH + HCl + SO2

7. CH2ClCOOH + NH3 → CH2NH2 + CO2 + H2O

8. CH2NH2 + HNO2 → COOH + N2 + 2H2O

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