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What Is the Change in the Oxidation Number of Carbon $\rarr$

Question 25

Question 25

Multiple Choice

What is the change in the oxidation number of carbon in the following? K₂C₂O₄ $\rarr$ K₂CO₃

A) decrease by one unit
B) decrease by two units
C) decrease by three units
D) increase by one unit
E) increase by two units

Correct Answer:

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