Question

what are alkanes alkenes and alkynes give an example of each

Answer 1

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◻️A compound made up of Hydrogen and carbon only is called hydrocarbon
(Hydrogen+Carbon= Hydrocarbon), e.g . CH4,C2H4,C2H2 etc.

$\huge{\bold{\mathfrak{\underline{Hydrocarbons}}}}$
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✨$\bf{Alkane }$:- An alkane is a hydrocarbon in which the carbon atoms are connected bt only single covalent bonds. Saturated hydrocarbons are also called alkanes.

✔️The general formula of Alkane is CnH2n+2 .

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✨$\bf{Alkene}$:-Alkenes are unsaturated aliphatic hydrocarbons , which contain one double bond . Alkenes are also called olefins(oil Forming).

✔️Alkene form a homologous series having the general formula CnH2n.

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✨$\bf{Alkyne}$:- Alkynes are unsaturated aliphatic hydrocarbons which contain a triple bond I.e acetylene bond between two carbon atoms .

✔️They have general formula CnH2n-2.

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Answer 2

Alkenes and alkynes are called unsaturated compound because of double and triple bond. Sorry for bad handwriting