Arrange the organic compounds from most soluble in water to least soluble in water: Most soluble in water Least = soluble in water Answer Bank CH; OH CH CH, OCH,



Answer :

The order from most soluble to least soluble is CH3CH2CH2OH > CH3CH2OCH3 > CH3CH2CH3.

The solubility of a compound depends on the nature of the solute and the solvent. If the nature of both is the same (either both polar or both nonpolar) the salute will be soluble in that solvent.

The solubility of an organic compound in water depends on the following factor:

Hydrogen bonding: If the solute is capable to form hydrogen bonding with water, it will be soluble in the water.

Polarity: As the polarity of the solvent increases the water solubility also increases.

The most soluble compound in water is alcohol. The alcohol is the highest polar molecule from the given molecules. It also forms hydrogen bonding with the water as follows:

The second most soluble compound in water is ether, CH3CH2OCH3. Ether is less polar than alcohol and forms fewer hydrogen bonds with water.

The least soluble compound in water is propane, CH3CH2CH3. Propane is a nonpolar compound and it is insoluble in a polar solvent, water.

Therefore the order is as follows:

CH3CH2CH2OH>CH3CH2OCH3>CH3CH2CH3

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