1) CH≡CH + I2 -> CHI2-CH2C2) CH≡C-CH3 + HBr -> CH2Br-CH2CH3) CH≡C-CH3 + H2 -> CH2=CH-CH4) CH3-C≡C-CH2-CH3 + O2 -> CH3-C≡C-CH2-CH2-CH3 + H2O
1) CH≡CH + I2 -> CHI2-CH2C
2) CH≡C-CH3 + HBr -> CH2Br-CH2CH
3) CH≡C-CH3 + H2 -> CH2=CH-CH
4) CH3-C≡C-CH2-CH3 + O2 -> CH3-C≡C-CH2-CH2-CH3 + H2O