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What would be the effect when the solvent pool in a developing jar is too deep in TLC technique?
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What separation technique would most likely be used if a solvent we saved?
distillation separation
Why you need to heat the solution in order to prepare supersaturated solution?
Effect of heat would be the solvent will be dissolved fast and the temperature changes contribute to the change of the effect of the supersaturated solution.
What is the solute and solvent in ammonia water?
Ammonia would be the solute and water would be the solvent.
What is the solute and solvent of tincture of iodine?
The solute would be iodine, and the solvent would be tincture
What part of air is the solvent and why?
Water vapor would be the solvent. Water alone is a good solvent.
What separation technique would most likely be used if solvent were saved?
If a substance is dissolved in a solvent, distillation allows recovery of both the solvent and the solute.
What would happen if the Spot of origin is lowered into the solvent in chromatography?
If the original spots were below the level of developing solvent then the components of the spotted sample would dissolve into the solvent and no spots would be seen upon analysis because all of the sample is dissolved in the developing solvent. hope this helps. good luck in o. chem!
What separation technique would you use to collect the solvent from a solution?
Distillation separation
What would be the consequence of having so much solvent in the developing chamber that it would cover the application?
If the solvent level in the developing jar is deeper than the origin (spotting line) of the TLC plate, the solvent will dissolve the compounds into the solvent reservoir instead of allowing them to move up the plate by capillary action. Thus, you will not see spots after the plate is developed. These photos show how the yellow compound is running into the solvent when lifted from the developing jar.
What separation technique would most likely be used if a solvent we saved?
distillation separation
What experimental technique would you use choose a suitable solvent?
In choosing solvent i would consider the following factors: What are the solutes? - are they polar or nonpolar how should they be dissolved What is the next step? - E.G. Do you need to distil or heat, then boiling point would be important. Is the solvent inert? Obviously side reactions are bad so choose a solvent which will not react. Good solvents are ethyl ether or ethyl alcohol.
Why you need to heat the solution in order to prepare supersaturated solution?
Effect of heat would be the solvent will be dissolved fast and the temperature changes contribute to the change of the effect of the supersaturated solution.
Why is it important that the sample spots are not below the solvent level when the filter paper is first placed in the developing chamber?
By placing the spot above the level of the solvent in the beaker, you slow the flow of solvent which results in improved separation of the components in the spot. If you placed it below the level of the solvent in the beaker, the solvent would just flow at a much faster rate and instead of separating the components in the spot, they would simply be washed away.
What is the solvent and solution in tincture of iodine?
The solute would be iodine, and the solvent would be tincture
Why would you recrystallize a solid from a solvent pair?
You would recrystallize a solid from a solvent pair because if only one solvent was used, then it might be hard to dissolve the solute. In a solvent pair, one solvent would probably be better at dissolving the solute.
What are the solute and solvent in pool water?
The solvent would be water, the solute would be the chlorine chemicals
What is the solute and solvent in ammonia water?
Ammonia would be the solute and water would be the solvent.
