Question

which of the following belong to the same homologous series? C3H8, C3H6, C4H8, C4H6

Answer 1

Answer:

alkene (b)

Explanation:

C³H⁸ is belongs to alkene series which is homologous.

formula =CnH²n

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Answer 2

C3H6, C4H8 belongs to the same homologous series.

• Alkene is a type of hydrocarbon containing carbon - carbon double bond(C=C).

• C3H6, C4H8 belongs to Alkene group.

• The general formula for Alkene is CnH2n.

• Alkene is commonly called as Olefin, that is hydrocarbon containing one or more double bond.

• Alkenes are unsaturated and undergo addition reaction.

• The Examples of Alkenes are

1. Ethene
2. propene
3. butene
4. pentene etc.

So the correct answer is C3H6, C4H8 that belong to Alkene.