Best answer: What are the factors responsible for the solubility of alcohols in water?

Which factors are responsible for solubility?

Solubility is the maximum amount of a substance that will dissolve in a given amount of solvent at a specific temperature. There are two direct factors that affect solubility: temperature and pressure. Temperature affects the solubility of both solids and gases, but pressure only affects the solubility of gases.

What is the solubility of alcohol in water?

As water is polar it attracts OH group. Carbon chain on the other hand as nonpolar is repelled. Solubility of alcohols is therefore determined by the stronger of the two forces.

Alcohol solubility chart.

Name Formula Solubility
Methanol CH3OH miscible
Ethanol C2H5OH miscible
Propanol C3H7OH miscible
Butanol C4H9OH 0.11

Why are alcohols more soluble in water?

Due to presence of –OH group, alcohols can form hydrogen bonds with water but hydrocarbons cannot form such hydrogen bonds due to the absence of –OH group. Hence, alcohols are comparatively more soluble in water than hydrocarbons of comparable molecular masses.

Why are alcohols soluble in water 12?

The −OH group in alcohols is polar and forms hydrogen bonds with water which results in solubility of alcohols in water. … of hydrocarbon chains increases the steric hindrance increases and hence it becomes difficult for higher alcohols to make bonds or react with water.

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What are the 5 factors affecting solubility?

Factors affecting solubility

  • Temperature. Basically, solubility increases with temperature. …
  • Polarity. In most cases solutes dissolve in solvents that have a similar polarity. …
  • Pressure. Solid and liquid solutes. …
  • Molecular size. …
  • Stirring increases the speed of dissolving.

What are the five factors that affect solubility?

What are the 5 factors that affect solubility?

  • Temperature. Basically, solubility increases with temperature.
  • Polarity. In most cases solutes dissolve in solvents that have a similar polarity.
  • Pressure. Solid and liquid solutes.
  • Molecular size.
  • Stirring increases the speed of dissolving.

Which alcohol has lowest solubility in water?

Of the given options, the largest alcohol of all is 1- pentanol and will thus have the least solubility in water. Thus, the correct answer is D.

Are all alcohols soluble in water?

Moreover, in alcohols, the −OH group is polar and makes them water-soluble. On the other hand, the alkyl chain is non-polar and decreases the solubility of alcohol in water.

Solubility Chart.

Name Formula Solubility
Hexanol C6H13OH 0.0058
Heptanol C7H15OH 0.0008
Methanol CH3OH miscible
Ethanol C2H5OH miscible

Which alcohol is most soluble in water?

Thus, the solubility increases which means that tertiary butyl isomer alcohol will be more soluble in water as compared n butyl and isobutyl. Hence, Option C is correct.

Why are alcohols more soluble in water than alkanes?

Alcohols of four or fewer carbon atoms are soluble in water because the alcohol molecules engage in hydrogen bonding with water molecules; comparable alkane molecules cannot engage in hydrogen bonding.

Which alcohol is more soluble in water than hydrocarbons?

Alcohols, Phenols and Ethers. Alcohols are comparatively more soluble in water than hydrocarbons of comparable molecular masses. Explain this fact. Alcohols can form H- bonds with due to presence of (-OH) group and break the H-bonds already existing between water molecules.

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What is the difference between alcohol and phenol?

Phenols have a hydroxyl group directly linked to the ring, whereas alcohols, as non-aromatic compounds, have a hydroxyl group linked to the main chain. The difference is one is cyclic, and the other is non-cyclic.