ca sa deduc A , gadesc prima reactie in sens invers(DEHIDROGENARE)
CH2=CH-CH3 -H2-----> CH≡C-CH3 PROPINA
CH≡C-CH3+ HOH---> CH2=CHOH-CH3.....................aditie
CH≡C-CH3+HCl----> CH2=CHCL-CH3........................aditie
CH≡C-CH3 + Na----> CNa≡C-CH3 + 1/2H2................substitutie