C2H6
CH4, which is the most reduced form of carbon.
That chemical is ethylene gas.
The chemical formula for ethylene glycol is C2H6O2.
2 CH3CH2OH → CH3CH2OCH2CH3 + H2O (on 120'C)
Ethylene is the chemical responsible for ripening bananas.
ethylene glycol
See links below
ethylene
Frequently is used the ethylene oxide.
The chemical equation is:C2H4 + Br2 = C2H4Br2
Cl2
The chemical formula for ethene (an alkene) is C2H4.