1) etyn+H2 ----kat-(nied.)-------->CH2=CH2
2)CH2=CH2+ H2 -----kat----->CH3-CH3
3)CH3-CH3 +Cl2 -----św----->CH3-CH2Cl +HCl
4)CH3-CH2Cl+ KOH -----H2O--->CH3-CH2OH +KCl
5)CH3-CH2OH+ CH3COOH---H+----->CH3COOCH2CH3+H2O
1)etyn------HgSO4--H2SO4--H2O--->CH3COH
2)CH3COH+Ag2O---->CH3COOH +2Ag
3) CH3COOH+CH3-CH2OH---H+----->CH3COOCH2CH3+H2O