What Is the Oxidation Number of O in Fe₂O₃

question 14

Multiple Choice

What is the oxidation number of O in Fe₂O₃?

• A) +2
• B) -2
• C) -3
• D) -5
• E) +5

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Definitions:

Mania

A mental state characterized by extremely elevated mood, energy, and unusual thought patterns, often seen in bipolar disorder during manic episodes.

Panic Attacks

Sudden periods of intense fear or discomfort, often with physical symptoms such as palpitations, sweating, and trembling.

Low Serotonin

A condition characterized by decreased levels of the neurotransmitter serotonin in the brain, often associated with depression and anxiety.

Obsessive-Compulsive Disorder

A mental disorder marked by recurring, unwanted thoughts (obsessions) and repetitive behaviors (compulsions) perceived as necessary to relieve anxiety.