Which property is characteristic of alkenes, alkynes, and aromatic hydrocarbons?

A. Their vapor pressures decrease as their size increases.
B. Their pH values are greater than 7.
C. Their densities are lower than the density of water.
D. They are soluble in water.

Question

Which property is characteristic of alkenes, alkynes, and aromatic hydrocarbons?

A. Their vapor pressures decrease as their size increases.
B. Their pH values are greater than 7.
C. Their densities are lower than the density of water.
D. They are soluble in water.

alphadxg · Answer

Can't be D - hydrocarbons insouble
Can't be B - ranges from 4-12
Can't be A - Not possible for Alkenes

Left with C - Seems to be true because in some hydrocarbons can float in water, so this is it :)

anonymous · Answer

thank you so much dear! :) @alphadxg