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Caffeine prefers organic solvents to water due to its molecular structure, which includes both polar and nonpolar characteristics. While it has polar functional groups that can interact with water, its overall hydrophobic regions make it more soluble in nonpolar organic solvents. This solubility is driven by the principle of "like dissolves like," where nonpolar substances dissolve better in nonpolar solvents. Consequently, organic solvents facilitate better extraction and solubility of caffeine compared to water.

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5d ago

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How do you remove caffeine from a mixture?

Caffeine is removed in factories using super critical fluid extraction. That uses carbon dioxide under pressure (as a liquid) to pull the caffeine out, which can then be evaporated off. Caffeine can be extracted in an laboratory by adjusting to the right pH, followed by extraction with an organic solvent like hexane.


Is caffeine more miscible in organic layer (dichloromethane) or aqueous layer?

Caffeine is more miscible in the organic layer (dichloromethane) than in the aqueous layer. This is because caffeine is a non-polar compound and thus dissolves better in organic solvents than in water, which is a polar solvent.


Is water an organic solvent?

No, water is not considered an organic solvent. Organic solvents are typically carbon-based compounds, while water is a polar inorganic solvent.


Why aqueous solution prefer for dyeing?

since the availability of water is more and is cheap compared to other organic solvent.


How is caffeine extracted from coffee beans?

Caffeine is extracted from coffee beans through a process called solvent extraction. The beans are soaked in a solvent, such as water or a chemical solvent, which helps to dissolve the caffeine. The solvent is then separated from the beans, and the caffeine is isolated and purified through further processing.


Why caffeine soluble in chloroform?

Caffeine is a polar molecule thus it has hydrophobic portions, and dichloromethane is s polar organic solvent which is fairly good at dissolving most organic molecules. In water caffeine dissolves for the most part via formation of hydrogen bonds where atoms with free electron pairs are involved, and the solubility of caffeine in water in 2.2mg/mL at 25 C, 180 mg/mL at 80 C, and 670 mg/mL at 100 C. where caffeine is not all soluble in water at room temperatureWhen caffeine is brought in close contact with dichloromethane most of the caffeine migrates into the organic layer.


What is the solvent and the solute in coffee?

Solvent = WATER Solute = COFFEE and CREAM


When would you prefer to use an air cooled condenser with no water running through it during organic chemistry distillation?

Air condenser can be used when the boiling point of the solvent is very high, as the air temperature will to sufficient to condense the solvent vapour. Water condenser is generally used when the solvent boiling temperature is less e.g., water, ethanol etc.


What is solvent of sea water?

Water is the solvent of sea water. It dissolves various substances such as salts, minerals, and organic matter present in the ocean, creating a concentrated solution.


How do you remove caffeine from coffee?

Caffeine is removed from coffee through a process called decaffeination. There are different methods used, such as the solvent-based method, the Swiss water process, and the carbon dioxide method. These methods involve soaking the coffee beans in a solvent or water to extract the caffeine, then drying and roasting the beans to remove any remaining traces of the solvent.


Would ethanol be a good solvent for extracting caffeine from water?

No, water and ethanol are miscible in one another. This means they would not separate into two distinct layers when mixed. You would need a less polar solvent such as methylene chloride or ethyl acetate to achieve two layers and properly extract caffeine from water.


Does fingernail polish remover contain water?

No, the solvent is organic.