What Is the Oxidation State of Iron in Fe₂(CO₃)₃

question 1

Multiple Choice

What is the oxidation state of iron in Fe₂(CO₃) ₃?

• A) +4
• B) +3
• C) +2
• D) 0
• E) -2

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Definitions:

Delta Waves

These are slow brain waves that are most prominent during deep sleep, indicating a stage of deep rest and regeneration.

Alpha Waves

Brain waves detected by EEG that represent a state of relaxation with eyes closed, typically associated with calm wakefulness.

Sleep Spindles

A burst of oscillatory brain activity visible on an EEG that occurs during stage 2 of NREM sleep, thought to play a role in memory consolidation and synaptic plasticity.

Sympathetic Nervous System

A part of the autonomic nervous system that activates the body's flight-or-fight response during stress or danger.