Questions and answers

How do you determine the solubility of organic compounds?

How do you determine the solubility of organic compounds?

To verify that a compound has dissolved, add 5% HCl to the NaOH mixture until the solution is acidic to pH paper. Look for a precipitate, indicating that the water-soluble salt has converted back into the water-insoluble compound. Solubility in NaOH indicates either the carboxylic acid or phenol.

What increases solubility organic chemistry?

Solubility. Virtually all of the organic chemistry that you will see in this course takes place in the solution phase. If the solvent is polar, like water, then a smaller hydrocarbon component and/or more charged, hydrogen bonding, and other polar groups will tend to increase the solubility.

What is the general rule for solubility of organic compounds?

Organic compounds tend to dissolve well in solvents that have similar properties to themselves. This principle is often referred to as “like dissolves like,” which means that polar molecules will generally dissolve well in polar solvents and non-polar molecules will generally dissolve in non-polar solvents.

How do you determine solubility?

Solubility indicates the maximum amount of a substance that can be dissolved in a solvent at a given temperature. Such a solution is called saturated. Divide the mass of the compound by the mass of the solvent and then multiply by 100 g to calculate the solubility in g/100g .

What are the factors that affect the solubility of organic compounds?

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 main rule of solubility?

Depending on the solubility of a solute, there are three possible results: 1) if the solution has less solute than the maximum amount that it is able to dissolve (its solubility), it is a dilute solution; 2) if the amount of solute is exactly the same amount as its solubility, it is saturated; 3) if there is more …

What is the general rule for determining solubility?

Organic compounds solubility rules To determine solubility of organic compounds usually the rule Like dissolves like is applied. This means that a solute will dissolve best in a solvent that has the same or similar polarity.