Ответ:
Объяснение:
2CH4 -> CH=-CH + 3H2 (t=1500C)
CH=-CH + H2 -> CH2=CH2 (t, kat)
CH2=CH2 + H2 -> CH3-CH3 (t,kat)
CH3-CH3 + Cl2 -> CH3-CH2-Cl + HCl (hy)
Zn+2HBr=ZnBr2+H2
Zn+FeBr2=ZnBr2+Fe
ZnO+2HBr=ZnBr2+H2O
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