Explain why the surface tension of a branched aliphatic molecule is greater than a normal straight...

Explain why the surface tension of a branched aliphatic molecule is greater than a normal straight chain aliphatic with the same total number of carbon atoms

Expert Solution

surface tension- is the amount of energy required to stretch or increase the surface of a liquid by a unit area

Liquids that have strong intermolecular forces have high surface tension.
As the temperature increases the molecular interaction between the liquid molecules are weaker, so it can break easily.

when the temperature increase then surface tension goes on decreasing.

surface tension of a branched aliphatic molecule is greater than a normal straight chain aliphatic with the same total number of carbon atoms becoz they can get closer to each other as there are no branches getting in the way. This means the intermolecular forces they exert on each other (most commonly Van de Waals) will be stronger as they are closer together.

queen_honey_blossom answered 2 years ago

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