Ethene is used:
i. As a starting material for the manufacture of a large number of compounds such as ethylene oxide, ethyl alcohol, ethylene glycol, diethyl ether etc; ethylene oxide is used as a fumigant, ethylene glycol is used as as anti-freeze, diethyl ether and ethyl alcohol are used as solvents.
ii. Acetylene:
Acetylene produces oxy-acetylene flame with oxygen. It is a highly exothermic reaction. Heat released is used for welding purposes
iii. Chloroform:
Chloroform is used as a solvent for rubber, waxes, etc. and for anesthesia.
iv. Carbon tetrachloride is used an industrial solvent and in dry cleaning.