1) CH≡CH + I2 -> CHI2-CH2CH2) CH≡C-CH3 + HBr -> CH2Br-CH2CH33) CH≡C-CH3 + H2 -> CH2=CH-CH34) CH3-C≡C-CH2-CH3 + O2 -> CH3-C≡C-CH2-CH2-CH3 + H2O
1) CH≡CH + I2 -> CHI2-CH2CH
2) CH≡C-CH3 + HBr -> CH2Br-CH2CH3
3) CH≡C-CH3 + H2 -> CH2=CH-CH3
4) CH3-C≡C-CH2-CH3 + O2 -> CH3-C≡C-CH2-CH2-CH3 + H2O