In Which of the Following Lists Does Each Term Denote

question 4

Multiple Choice

In which of the following lists does each term denote a variable?

• A) psychology major, sociology major, economics major
• B) race, class rank, age
• C) female, sociology major, sophomore class
• D) family income, sociology major, student

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Definitions:

Wolff-Kishner Reduction

A chemical reaction used to convert carbonyl groups (C=O) into methylene (CH2) groups by treatment with hydrazine (N2H4) and a strong base.

Ketone

An organic compound characterized by a carbonyl group (C=O) bonded to two carbon atoms, common in sugars and fragrances.

Hydrazone

A compound formed by the reaction of a hydrazine with a ketone or aldehyde, characterized by a –NHN=C– linkage.

Semicarbazone

Derivatives of semicarbazide that are used as derivatives to characterize aldehydes and ketones, typically involving the formation of crystalline precipitates.