C-ch4-ch3br-c3h8-c3h7br

Question

C-ch4-ch3br-c3h8-c3h7br

Answer 1

C+2H2-->CH4
CH4+Br2-->CH3Br+HBr
2СH3Br+2Na-->C2H6+2NaBr
C2H6+CL2-->C2H5CL+HCL
C2H5CL+Ch3CL+2Na-->C3H8+2NaCL
C3H8+Br2-->C3H7Br+HBr