Write the reaction equations: СН4 → СН3Вr → СН3-СН3 → СН2 = СН2 → СН3-СН2ОН

Let us write down the reaction equations for the transformation chain:
CH4 + Br2 – CH3Br + HBr – substitution reaction, bromomethane obtained;
2СН3Br + 2Na = H3C – CH3 + 2NaBr – Wurtz reaction, ethane was released;
Н3С – СН3 = Н2 + Н2С = СН2 – dehydrogenation, ethylene is formed;
Н2С = СН2 + Н2О = Н3С – СН2 – ОН – hydration, occurs when heated, as a catalyst – Cu, ethanol is released.
The reactions show the bond of alkanes, alkenes, alcohols. The reaction products find use, for example, bromomethane and ethanol as solvents.