Объяснение:
СH2=CH2 + H2O-> CH3-CH2-OH (kat)
CH3-CH2-OH+ HBr = CH3-CH2-Br + H2O
CH3-CH2-Br + 2Na + Br-CH2-CH3 -> CH3-CH2-CH2-CH3 + 2NaBr
CH3-CH2-CH2-CH3 -> CH2=CH-CH2-CH3 + H2
CH2=CH-CH2-CH3 -> CH=-C-CH2-CH3 + H2
2C4H6 + 11O2 -> 8CO2 + 6H2O
