Which, If Any, of the Following Metals Would Not Be

question 94

Multiple Choice

Which, if any, of the following metals would not be capable of acting as a sacrificial anode when used with iron E°_Fe = -0.44 V; all E° values refer to the M²⁺/M half-cell reactions.

• A) manganese, Mn, E° = -1.18 V
• B) cadmium, Cd, E° = -0.40 V
• C) magnesium, Mg, E° = -2.37 V
• D) zinc, Zn, E° = -0.76 V
• E) All of these metals are capable of acting as sacrificial anodes with iron.

---

Definitions:

Somatosensory Cortex

A region of the brain located in the parietal lobe, responsible for processing sensory information from the body, such as touch, temperature, and pain.

Parietal Lobes

Regions of the brain located behind the frontal lobes, responsible for processing sensory information such as touch, temperature, and pain.

Cerebral Cortex

The outer layer of the cerebrum in the brain, involved in high-level functions such as sensory perception, cognition, and motor control.

Cerebrum

The largest part of the brain, responsible for higher brain functions such as thought, action, and sensory processing.