Podcast
Questions and Answers
How does the addition of alcohol to a buffered aqueous solution affect the solubility of a weak electrolyte?
How does the addition of alcohol to a buffered aqueous solution affect the solubility of a weak electrolyte?
- It increases the dissociation of the weak electrolyte.
- It has no effect on the solubility of the weak electrolyte.
- It decreases the solubility of the un-ionized species.
- It increases the solubility of the un-ionized species. (correct)
How does alcohol affect the dissociation of a weak electrolyte in a buffered solution?
How does alcohol affect the dissociation of a weak electrolyte in a buffered solution?
- Alcohol has no effect on the dissociation of the weak electrolyte.
- Alcohol increases the dissociation of the weak electrolyte.
- Alcohol decreases the dissociation of the weak electrolyte. (correct)
- Alcohol stabilizes the dissociation constant of the weak electrolyte.
How can weakly acidic and basic drugs be brought into solution with the help of surfactants?
How can weakly acidic and basic drugs be brought into solution with the help of surfactants?
- By decreasing their polarity
- By solubilizing action of surface-active agents (correct)
- By increasing their dissociation
- By reducing their interaction with solvent molecules
What is one way in which complexation can influence the solubility of a substance?
What is one way in which complexation can influence the solubility of a substance?
How does particle size affect solubility?
How does particle size affect solubility?
What influence does the configuration of a molecule and crystal arrangement have on solubility?
What influence does the configuration of a molecule and crystal arrangement have on solubility?
What does the true distribution coefficient, K, represent?
What does the true distribution coefficient, K, represent?
In which phase does benzoic acid only exist as a monomer?
In which phase does benzoic acid only exist as a monomer?
What factor in the aqueous phase influences whether benzoic acid is unionized or ionized?
What factor in the aqueous phase influences whether benzoic acid is unionized or ionized?
What determines the concentration of dimer in the oil phase for compounds like benzoic acid?
What determines the concentration of dimer in the oil phase for compounds like benzoic acid?
How is the observed distribution coefficient affected by the total acid concentration used in analysis?
How is the observed distribution coefficient affected by the total acid concentration used in analysis?
