Which of the following transition metals is most commonly associated with the formation of colored compounds?

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Q: Which of the following transition metals is most commonly associated with the formation of colored compounds?

Solution: Iron is a transition metal that is commonly associated with the formation of colored compounds due to its variable oxidation states.

Steps: 5

Step 1: Understand what transition metals are. They are elements found in the middle of the periodic table, specifically in groups 3 to 12.
Step 2: Learn that transition metals can have different oxidation states, which means they can lose different numbers of electrons.
Step 3: Recognize that when transition metals form compounds, the way they interact with light can cause the compounds to appear colored.
Step 4: Identify that iron is a common transition metal known for forming colored compounds, especially in its different oxidation states like +2 and +3.
Step 5: Conclude that iron is the answer to the question because it is frequently associated with colored compounds.