Question

why ethyl alcohol is soluble in water but one decanol is insoluble​

Answer 1

Answer:

Ethyl alcohol is soluble in water:

Alcohols are soluble in water. This is due to the hydroxyl group in the alcohol which is able to form hydrogen bons with water molecules. ... In the image above, the partially negative oxygen atom in the ethanol molecule forms a hydrogen bond with the partially positive hydrogen atom in the water molecule.

One decanol is insoluble:

However as you increase the hydrocarbon part which is non polar or hydrophobic solubility decreases for example C7H15OH or C10H21OH(decanol) though they can form hydrogen bonds with water due to OH part in the molecule but C10H15 --- is very big non polar part so it makes it insoluble in water.

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