Benedict's Reagent Is a Chemical That Is Used as a Test

question 57

Multiple Choice

Benedict's reagent is a chemical that is used as a test for the presence of a free aldehyde functional group on glucose.The aldehyde is used when glucose and fructose bind together to form sucrose, and the Benedict's test is negative.Starch contains a great deal of glucose but gives a negative Benedict's test because:

• A)all of the aldehyde groups on the starch are oxidized and cannot react with the Benedict's reagent.
• B)glucose in starch has lost a carbon atom and cannot react with Benedict's reagent.
• C)only the glucose at the end of a chain of starch will have an exposed aldehyde functional group to react with Benedict's reagent.
• D)starch is not soluble in water and cannot react with Benedict's reagent.

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Definitions:

Fallacies

Errors in reasoning that render arguments logically invalid, often due to misleading premises or irrelevant points.

Composition

The way in which something is made up or put together from various parts or elements.

Hasty Generalization

An error in reasoning where the conclusion isn't supported by enough objective evidence.

Connecting Term

A term used in logic and philosophy that links different parts of a proposition or argument, enhancing coherence and understanding.