what could prevent the separatory funnel from draining properly?
Homework Answers
If the stopper of separating funnel is closed, then you will not be able to drain the solution properly.
If the stopper is not removed, it generates vacuum above the liquid which results in less rate of draining and finally stops. Later, vacuum will suck air resulting in mixing up of two layers again.
While performing a liquid/liquid extraction in a separatory funnel, a student placed the separatory funnel on...
While performing a liquid/liquid extraction in a separatory funnel, a student placed the separatory funnel on the ring stand right after shaking it. The student forgot to take the stopper off the top of the separatory funnel after shaking it and before draining one of the layers. Why is this a bad idea?
Why do we "vent" multiple times when using a separatory funnel? To speed-up the reaction by...
Why do we "vent" multiple times when using a separatory funnel? To speed-up the reaction by decreasing the pressure in the separatory tunnel To allow air into the system to help separate layers. To prevent the fumes from re-entering the liquid state. To release excess gases.
9. Why is it important to vent the separatory funnel?
9. Why is it important to vent the separatory funnel?
8. After shaking and venting the separatory funnel, a student put the funnel on an iron...
8. After shaking and venting the separatory funnel, a student put the funnel on an iron ring. Worried that the product would evaporate, the student kept the hollow stopper on the funnel. After several minutes the student saw two layers had completely separated and opened the stopcock to drain the bottom layer, but no liquid drained out. What would you recommend that the student do?
Why is it important to open the stopcock on the separatory funnel when extracting from one...
Why is it important to open the stopcock on the separatory funnel when extracting from one phase (say, organic phase,) into another phase (say, aqueous phase)?
4. When a separatory funnel is shaken too vigorously, an emulsion may form. What would be...
4. When a separatory funnel is shaken too vigorously, an emulsion may form. What would be the best way to quickly (!) break the emulsion?
what role is NaOH solution play in extraction procedure using separatory funnel to separate benzoin and...
what role is NaOH solution play in extraction procedure using separatory funnel to separate benzoin and benzoic acid? what was the purpose of adding NaOH during separation steps?
1) during liquid liquid extraction ( LLE) it is normal to use separatory funnel, and two...
1) during liquid liquid extraction ( LLE) it is normal to use separatory funnel, and two non- miscible phases of solvents , for ex: water as polar phase and ethyl acetate is the organic phase. density of water is 1,0 g/ ml, while density of ethyl acetate is 0.90 g/ ml at 25.0 celsius degrees. which of the two solvents will end up at the buttom of the separatory funnel? 2) ) during liquid liquid extraction ( LLE) it is...
When the mixture of biodiesel and glycerol is in separatory funnel, glycerol appears denser than biodiesel....
When the mixture of biodiesel and glycerol is in separatory funnel, glycerol appears denser than biodiesel. What can be the chemical reasoning of the observation?
6. You have two layers in a separatory funnel, an aqueous and an organic. If you...
6. You have two layers in a separatory funnel, an aqueous and an organic. If you don't know the densities of each of your aqueous and organic phases, what is one way to determine which is which?
Why do we "vent" multiple times when using a separatory funnel? To speed-up the reaction by decreasing the pressure in the separatory tunnel To allow air into the system to help separate layers. To prevent the fumes from re-entering the liquid state. To release excess gases.
9. Why is it important to vent the separatory funnel?
4. When a separatory funnel is shaken too vigorously, an emulsion may form. What would be the best way to quickly (!) break the emulsion?
6. You have two layers in a separatory funnel, an aqueous and an organic. If you don't know the densities of each of your aqueous and organic phases, what is one way to determine which is which?
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