Цепочка превращения. CO = C3H8 = пропен =(+H2O, H, t) X= пропен=(+KMnO4, H2O, 20°)X2
1) 6CO+8H2=2C3H8+O2 2) C3H8 -> t -> C3H6 + H2 3) CH2=CH-CH3 + H2O -> CH3-CHOH-CH3 4) CH3-CHOH-CH3 -> t -> CH2=CH-CH3 + H2O 5) 3CH2=CH-CH3 + 2KMnO4 + 4H2O -> 3CH2OH-CHOH-CH3 + 2MnO2 + 2KOH Прошу вас.