Consider the Following Structure

question 72

Multiple Choice

Consider the following structure. The given compound is the major product of this reaction. Identify the by-product formed when terephthalic acid is treated with 1,4-benzenediamine.

• A) ammonia
• B) water
• C) an alcohol
• D) a salt

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Definitions:

Experimental Method

A scientific approach to research in which variables are manipulated to observe their effect on other variables, allowing for determination of cause-and-effect relationships.

Focus Group

A research method involving guided discussions with a group of people to gather diverse perspectives on a particular subject.

Positive Correlation

Positive correlation exists when two variables move in the same direction, meaning that as one variable increases, the other variable also increases.

Negative Correlation

A relationship between two variables in which one variable increases as the other decreases, and vice versa.