Write the reaction equations: ethylene – 1,2-dichloroethane – ethylene glycol – copper glycolate (2)

Let us write down the reaction equations for organic substances:
Н2С = СН2 + Cl2 = CH2Cl – CH2Cl – addition reaction, 1,2-dichloroethane was obtained;
CH2Cl – CH2Cl + 2KOH = CH2 – OH – CH2 – OH + 2KCl – exchange, ethylene glycol was formed;
CH2 – OH – CH2 – OH + Cu (OH) 2 = C2H4 (OH) 2Cu + H2O – exchange, copper glycolate was obtained;
These reactions confirm the bond between alkenes and alcohols. The end product of the reaction, copper glycolate, is used as a catalyst. Ethylene glycol serves as an additive to fuel in frosty weather, that is, antifreeze.

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