propen +H2O---> produkt A A+HBr ---> B B+KOH---> C C+CuO----> D

CH3-CH=CH2 + H2O----->CH3-CH-CH3 ....................................I ...................................OH ..............................propan-2-ol CH3-CH-CH3 + HBr----->CH3-CH-CH3 + H2O .......I...........................I ......OH.........................Br ..........................2-bromopropan CH3-CH-CH3 + KOH----->CH3-CH-CH3 + KBr ......I.............................I ......Br...........................OH ..............................propan-2-ol CH3-CH-CH3 + CuO----->CH3-C-CH3 + Cu + H2O .......I...........................II ......OH.........................O ............................propanon (aceton)