Which of the following hydrocarbons is/are not an example of saturated hydrocarbons?

Pentane

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Ethyne

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Butene

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Propane

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Solution

The correct options are
B
Ethyne

C
Butene

Saturated hydrocarbons are compounds of carbon and hydrogen in which every carbon atom is joined to another carbon atom with a single bond. In the given options pentane and propane belong to the alkane group which is a group containing saturated hydrocarbons. So, the compounds that are not saturated are ethyne and butene, which belong to the alkyne and alkene group respectively.

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