How are the vapor pressure and boiling point of alkynes affected as the chain length increases?
both vapor pressure and boiling point decrease.
both vapor pressure and boiling point increase.
vapor pressure increases, and boiling point decreases.
vapor pressure decreases, and boiling point increases.

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.