Posługujac sie wzorami połstruturalnymi......

1. CH≡C-CH3+H2--->CH2=CH-CH3
2. CH2=CH-CH3+H2--->CH3-CH2-CH3
3. CH2=CH-CH3+Cl2--->CH2Cl-CHCl-CH3
4. CH2=CH-CH3+HBr--->CH3-CHBr-CH3