a)CH4-C2H4-C2H6-CO2

b)CH3-CH3-CH3-CH2CL-CH2=CH2-CH3-CH2-OH

Ответ:

A) 2CH4->C2H4+2H2

C2H4+H2->C2H6

2C2H6+7O2->4CO2+6H2O

Б) ch-ch3==>ch2cl==>ch2==>ch3-ch2-oh

CH3-CH3+CL2-->Ch3-Ch2CL+HCL

Ch3-Ch2CL-->Ch2=Ch2+HCL

Ch2=Ch2+HOH-->CH3-CH2-OH