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How to tell if a species will disproportionate from a frost diagram
Accepted Answer
A Frost diagram can help determine if a species will disproportionate. Look for the following:
A species lies above the line connecting its two neighboring oxidation states. This indicates the species is thermodynamically unstable and will disproportionate into the two neighboring oxidation states.
The slope of the line connecting the oxidation states. A steeper slope indicates a greater driving force for disproportionation.
For example, if a species' point on the Frost diagram is higher than the line connecting the oxidation states below and above it, it will disproportionate into those two states.
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