Question

CH2=C-CH=CH2; +Br2 ; +H2; горение      
          |
          CH3 

Answer 1

CH2=C(ch3)-CH=CH2+Br2=CH2(br)-C(ch3)=CH-CH2(br)
CH2=C(CH3)-CH=CH2+h2= CH2=CH3-C(CH3)=CH-CH3 
CH2=C(CH3)-CH=CH2+o2=co2+h2o(расставь коэффициенты)