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

ATheir vapor pressures decrease as their size increases.
BTheir pH values are greater than 7.
CTheir densities are lower than the density of water.
DThey are soluble in water.

Verified Answer :


The best and most correct answer among the choices provided by your question is the third choice or letter C.

"Their densities are lower than the density of water." is a common property among alkenes, alkynes, and aromatic hydrocarbons.

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superman1987

The answer is:

C.Their densities are lower than the density of water.

The Explanation:

According to the table below of the density of alkynes you will see that it is lower than the density of water. densities of alkenes , alkynes and aromatic hydrocarbons are lower than the water.

and the alkenes are insoluble in water because it has a non polar characteristics and it is also lighter than water because its density is lower than water.


View image superman1987