1)C4H6+2H2=C4H10
2)C4H10(AlCl3)=CH3-CH(CH3)-CH3
3)CH3-CH(CH3)-CH3+Br2(свет)=CH3-CBr(CH3)-CH3+HBr
4)CH3-CBr(CH3)-CH3+KOH(спирт.)=CH3-C(CH3)=CH2+KBr+H2O
5)CH3-C(CH3)=CH2+KMnO4+H2SO4=CH3-C=(O)-CH3+K2SO4+MnSO4+H2O
Масса крахмала = 180:100*24 =43.2
учитывая выход 43.2:100*80 = 34.56
2Fe(OH)3 =t°=> Fe2O3 + 3H2O
С2H6->C2H5Cl->C2H5OH->CH3CHO->CH3COOH->CH3COOC2H5
С5H12->C5H11Cl->C5H11OH->C4H9CHO->C4H9COOH->C4H9COOCH3