Alkynes are hydrocarbons which contain carbon-carbon triple bonds and single bonds. Hence, option C is correct.
Hydrocarbons are organic compounds composed of elements of carbon and hydrogen only.
An alkyne is a hydrocarbon with one or more carbon-carbon triple and single bond covalent bonds.
Their general formula is [tex]C_nH_{2n-2}[/tex] for molecules with one triple bond.
Hence, option C is correct.
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