C2H5CL=>C2H4=>C2H5CL=>C2H4CL2

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вопрос

The reaction pathway for the given sequence of reactions is as follows:

C2H5Cl (chloroethane) undergoes a dehydrohalogenation reaction to form C2H4 (ethylene) as follows:
C2H5Cl -> C2H4 + HCl

The ethylene produced in the first reaction undergoes addition reaction with Cl2 (chlorine gas) to form C2H4Cl2 (1,2-dichloroethane) as follows:
C2H4 + Cl2 -> C2H4Cl2

Therefore, the sequence of reactions starting with C2H5Cl results in the formation of C2H4Cl2.