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Q: Is caffeine more miscible in organic layer (dichloromethane) or aqueous layer?
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Can you use ethanol in extraction with water?

No, ethanol and water are miscible. For an extraction, you want two solvents that are immiscible (mutually insoluble). Standard choices for the organic phase are ethyl acetate or dichloromethane. For the aqueous phase, use water, aqueous acid or aqueous base, depending on the compound you are trying to isolate.


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.


Is methylbenzene miscible in water?

Methylbenzene, aka toluene, is not miscible in water. It is miscible in organic solvents such as hexane and acetone.


Is CCl4 a immiscible or miscible?

Carbon tetrachloride is not miscible with water but miscible with many other liquid organic compounds.


Is caffeine organic or inorgonic?

organic


Is cyclohexene soluble in ligroin?

Cyclohexene is very miscible with other organic solvents.


What will happen if water is added to organic compound?

Depending on each organic compound ! Reaction or no reaction, soluble or not, miscible or not, etc.


Why the aqueous layer is below the organic layer in the separating funnel?

The density of the aqueous layer is higher.


Is caffeine a element or a compound?

Caffeine is a compound with the chemical formula C8H10N4O2.


Are NaCl and C7H14 miscible?

Miscible is not the correct word - probable you think to soluble; and because NaCl is a polar compound it is not soluble in these organic compounds (the formula C7H14 correspond to three compounds).


When dichloromethane is mixed with water will the organic phase be in the upper level or lower level?

Dichloromethane (methylene chloride) has a higher density than water. It will settle to the bottom of a dichloromethane:water mixture. Is this what you are asking?


How do you test the organic and aqueous phase in the mixture?

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