When a Piece of Copper Wire Is Placed in a Colorless

question 85

Multiple Choice

When a piece of copper wire is placed in a colorless solution of silver nitrate, the surface of the wire becomes coated with a shiny silvery material, and the copper begins to form aqueous copper(II) nitrate, which is blue. Which of the following statements regarding this reaction is correct?

• A)The copper(II)is being oxidized.
• B)The silver ion is being oxidized.
• C)The nitrate ion is being reduced.
• D)The solution will become more blue as the reaction progresses.
• E)The reaction described is nonspontaneous.

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Definitions:

Autotransfusion

A medical procedure where a person receives their own blood for a transfusion instead of banked donor blood.

Trans-

A prefix meaning across, through, or beyond, used to denote movement or change.

Hemoglobin

A protein found in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs.

Meaning

The significance or interpretation of a thing, symbol, or event; the underlying purpose or concept.