Which transition metal is known for its multiple colorful oxidation states and compounds used in pig

Explanation

Copper forms many colorful compounds. Blue copper sulfate, green copper carbonate, and red copper oxide are common. Different oxidation states create different colors.

Zinc compounds are usually white. Silver and gold compounds are less colorful. Copper is most diverse.

Remember: Copper(II) compounds are often blue. Copper(I) compounds are often red or yellow.