Hydrocarbons are characterized by having carbon bonds in their structure. Depending on the type of bond, hydrocarbons will have different nomenclature and properties.
When they have a single C-C bond, they are called alkanes.
If they have C=C double bonds, they are alkenes.
And those with triple bond C≡C will be the alkynes
Alcohols have an OH group in their structure.
Answer: Therefore, for a triple bond it will be an alkyne. The third option.