how are alkanes obtain from crude oil
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Occurrence. The most important sources for alkanes are oil and natural gas. Oil is a mixture of liquid alkanes and other hydrocarbons. Higher alkanes (which are solid) occur as residues from oil distillation ("tar").
Explanation:
The general formula of the alkenes is CnH2n Most alkenes are formed when fractions from the fractional distillation of crude oil are cracked. Properties of alkenes: Like alkanes, the boiling point, melting point and densities increase with larger size molecules. They are insoluble in water.
Crude oil is largely made up of a family of hydrocarbons called alkanes; these contain only a single (covalent) carbon to carbon bond.
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