Решить уравнение бутэн1(+br2)-> x1(+zn)-> x2(+hoh)-> x3(-h2o)-> x4

CH3-CH2-CH=CH2+Br2 ->CH3-CH2-CHBr-CH2Br
CH3-CH2-CHBr-CH2Br+Zn->CH3-CH2-CH=CH2+ZnBr2
CH3-CH2-CH=CH2+HOH->CH3-CH2-CHOH-CH3
CH3-CH2-CHOH-CH3 ->CH3-CH=CH-CH3+H2O