Question

State the sources of Alkanes.​

Answer 1

Explanation:

Alkenes can be prepared using the following methods. Sources of alkenes include pyrolysis and polymerization of ethene to produce 1-alkenes with an even number of carbon atoms from polyethene (plastics) or detergents.

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Answer 2

Answer:

coal and petroleum

Explanation:

lower alkanes are generally found in association with coal and petroleum. methane is the main consituent of marsh gas.A large no of hydrocarbons are present as a mixture in petroleum.natural gas contains mainly methane wth smaller amounts of ethane propane and butane