The Partition Coefficient Is Modified When the PH of the Aqueous

question 11

Multiple Choice

The partition coefficient is modified when the pH of the aqueous phase is adjusted or when a chelating agent is added.The partition coefficient is renamed the distribution coefficient.What is the impact on the extraction of a weak acid into an organic solvent as the pH of the aqueous phase increases?

• A)As the pH increases the value of D decreases and the percentage weak acid left in the aqueous phase decreases.
• B)As the pH increases the value of D increases and the percentage weak acid left in the aqueous phase increases.
• C)As the pH increases,the value of D decreases and the percentage weak acid left in the aqueous phase decreases.
• D)As the pH increases the value of D increases and the percentage weak acid left in the aqueous phase decreases.
• E)As the pH increases the value of D decreases and the percentage weak acid left in the aqueous phase increases.

Distinguish between open and closed body positions and their implications in communication.

Understand the principles of writing bias-free documents.

Discuss the implications of demographic changes, such as an aging population, on the workforce.

Analyze how colors and their meanings vary across cultures.

---

Definitions:

Louis Thurstone

A pioneering American psychologist known for his contributions to psychometrics and the theory of intelligence.

Robert Sternberg

A psychologist known for his theory on the triarchic theory of intelligence, which describes three distinct types of intelligence: analytical, creative, and practical.

Means-End Analysis

A problem-solving strategy that involves identifying the goal, determining the obstacles in the way, and taking steps to overcome them.

Overextension

In language acquisition, overextension is when a child applies a word too broadly, beyond its typical use, reflecting the developmental stage of understanding categories.