CH2(OH)-CH2(OH) + 2HBr = CH2(Br)-CH2(Br)+2H2O
CH2(Br)-CH2(Br)+2KOH(спирт)=C2H2+2KBr+2H2O
C2H2+H2O=(HgSo4)=CH3COH
CH3COH+Ag2O==(NH3)==CH3COOH+2Ag
CH2(OH)-CH2(OH) + 2HBr = CH2(Br)-CH2(Br)+2H2O
CH2(Br)-CH2(Br)+2KOH(спирт)=C2H2+2KBr+2H2O
C2H2+H2O=(HgSo4)=CH3COH
CH3COH+Ag2O==(NH3)==CH3COOH+2Ag