Alkynes have similar physical properties to alkanes and alkenes. They are poorly soluble in water, have a low density and have low boiling points. However, alkynes are more polar due to the greater attraction that an sp carbon exerts on electrons, compared to an sp 3 or sp 2 carbon.
![physical properties of alkynes propiedades físicas de alquinos](/images/stories/organica-i/alkynes/propiedades-fisicas/propiedades-fisicas01.png)