СaC2 + H20 = CH≡CH + Ca(OH)2CH≡CH + H2 = CH2=CH2CH2=CH2 + HBr = CH3-CH2BrCH3-CH2Br + 2Na + BrH2C-CH3 = 2NaBr + CH3-CH2-CH2-CH3
СaC2 + H20 = CH≡CH + Ca(OH)2
CH≡CH + H2 = CH2=CH2
CH2=CH2 + HBr = CH3-CH2Br
CH3-CH2Br + 2Na + BrH2C-CH3 = 2NaBr + CH3-CH2-CH2-CH3