hcooh-hcooc2h5-c2h5oh-ch3cho-ch3cooh-ch3cook помогите решить цепочку

Question

hcooh-hcooc2h5-c2h5oh-ch3cho-ch3cooh-ch3cook

помогите решить цепочку

Answer 1

1. HCOOH + C2H5OH -> HCOOC2H5 + H2O 
2. HCOOC2H5 + H2O -> C2H5OH + HCOOH 
3. C2H5OH + CuO ->CH3CHO + Cu + H2O 
4. CH3CHO + Ag2O -> CH3COOH +2Ag 
5. 2CH3COOH+ 2K -> 2CH3COOK + H2