Podcast
Questions and Answers
What is the purpose of the separatory funnel?
What is the purpose of the separatory funnel?
- To measure the volume of a liquid
- To separate liquids based on their densities (correct)
- To heat a mixture of liquids
- To mix liquids together
What happens when you shake the separatory funnel and allow the mixture to settle?
What happens when you shake the separatory funnel and allow the mixture to settle?
- The mixture becomes homogeneous
- The mixture becomes more viscous
- The mixture separates into two distinct layers (correct)
- The mixture evaporates quickly
What is the difference between the organic phase and the aqueous phase?
What is the difference between the organic phase and the aqueous phase?
- The organic phase is more dense, while the aqueous phase is less dense
- The organic phase is acidic, while the aqueous phase is basic
- The organic phase contains neutral compounds, while the aqueous phase contains water and ions (correct)
- The organic phase contains water and ions, while the aqueous phase contains neutral compounds
Why do liquids separate into two distinct layers in the separatory funnel?
Why do liquids separate into two distinct layers in the separatory funnel?
What is the function of the stopcock in the separatory funnel?
What is the function of the stopcock in the separatory funnel?
What is the first step in performing an extraction?
What is the first step in performing an extraction?
What is the purpose of extraction in the perfume industry?
What is the purpose of extraction in the perfume industry?
What is the name of the glassware used in extraction?
What is the name of the glassware used in extraction?
What is the purpose of adding hydrochloric acid to the mixture of hexane and propanamine?
What is the purpose of adding hydrochloric acid to the mixture of hexane and propanamine?
Why is sodium bicarbonate used in the extraction of acetic acid and phenol from hexane?
Why is sodium bicarbonate used in the extraction of acetic acid and phenol from hexane?
What happens to the phenol when sodium hydroxide is added to a mixture of hexane, phenol, and acetic acid?
What happens to the phenol when sodium hydroxide is added to a mixture of hexane, phenol, and acetic acid?
What is the purpose of separating the layers in an extraction process?
What is the purpose of separating the layers in an extraction process?
What happens to the propanamine when hydrochloric acid is added to a mixture of hexane and propanamine?
What happens to the propanamine when hydrochloric acid is added to a mixture of hexane and propanamine?
What is the advantage of using a multi-step extraction process?
What is the advantage of using a multi-step extraction process?
Why is phenol weakly acidic?
Why is phenol weakly acidic?
What is the purpose of adding a base to a mixture of hexane and phenol?
What is the purpose of adding a base to a mixture of hexane and phenol?
What happens to the acetic acid when sodium bicarbonate is added to a mixture of hexane, acetic acid, and phenol?
What happens to the acetic acid when sodium bicarbonate is added to a mixture of hexane, acetic acid, and phenol?
Why is it important to save each layer in an extraction process?
Why is it important to save each layer in an extraction process?
Flashcards
Separatory Funnel Purpose?
Separatory Funnel Purpose?
Separates liquids based on density.
Shaking & Settling?
Shaking & Settling?
The mixture separates into distinct layers based on density.
Organic vs. Aqueous?
Organic vs. Aqueous?
Organic phase: neutral compounds; aqueous phase: water and ions.
Stopcock Function?
Stopcock Function?
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First Extraction Step?
First Extraction Step?
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Extraction Purpose?
Extraction Purpose?
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Extraction Glassware?
Extraction Glassware?
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HCl Purpose?
HCl Purpose?
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Why Sodium Bicarbonate?
Why Sodium Bicarbonate?
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NaOH Effect on Phenol?
NaOH Effect on Phenol?
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Layer Separation Purpose?
Layer Separation Purpose?
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HCl Effect on Propanamine?
HCl Effect on Propanamine?
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Multi-Step Advantage?
Multi-Step Advantage?
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Why is Phenol Weakly Acidic?
Why is Phenol Weakly Acidic?
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Base Addition Purpose?
Base Addition Purpose?
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Bicarbonate Effect on Acetic Acid?
Bicarbonate Effect on Acetic Acid?
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Save Each Layer?
Save Each Layer?
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