Question

C3H6-->C3H7I-->C3H6--CH2-->CH-->CH3;
C3H6-->C3H8-->C3H7I;
C3H6-->C3H7OH-->CO2

Answer 1

2) C3H6 + H2 = C3H8

C3H8 + J2 = C3H7J + HJ

 

3) C3H6 + H2O = C3H7OH

2C3H7OH + 9O2 = 6CO2↑ + 8H2O

 

C первой цепочкой ничего не понятно