Which Metals May Be Oxidized by H⁺ Under Standard-State Conditions

question 24

Multiple Choice

Which metals may be oxidized by H⁺ under standard-state conditions? Ag⁺(aq) + e^- →Ag(s) E° = 0.80 V
Cu²⁺ (aq) + 2e^- →Cu(s) E° = 0.34 V
Sn²⁺(aq) + 2e^- →Sn(s) E° = -0.14 V
Zn²⁺(aq) + 2e^- →Zn(s) E° = -0.76 V

• A)Ag,Cu,Sn,and Zn
• B)Ag and Cu
• C)Sn and Cu
• D)Zn and Cu
• E)Zn and Sn

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Definitions:

Pericardium

A double-layered sac surrounding the heart, providing protection and reducing friction during heart movements.

Deoxygenated Blood

Blood carrying a lower concentration of oxygen, typically returning to the heart and lungs for oxygenation.

Left Ventricle

The chamber of the heart that receives oxygenated blood from the left atrium and pumps it out to the body through the aorta.

Thoracic Cage

The bony frame around the chest composed of the ribs, sternum, and thoracic vertebrae, protecting the heart and lungs.