Enlist three uses of ethylene.
Ethylene is used:
(i) for ripening citrus fruits,
(ii) as an anaesthetic,
(iii) for making ethylene glycol which is used as a coolant for air-craft engines and as antifreeze for motor cars.
For the following compounds, write structural formulas and IUPAC names for all possible isomers having the number of double or triple bond as indicated: