Question on: JAMB Chemistry - 2023
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Which transition metal is known for its multiple colorful oxidation states and compounds used in pigments and paints?
Silver (Ag)
Copper (Cu)
Gold (Au)
Zinc (Zn)
Copper exhibits various oxidation states, including +1 and +2, which contribute to the formation of colourful compounds. Copper compounds are commonly used in pigments, such as copper(II) sulfate (CuSOâ‚„), which imparts a blue colour.
Therefore, the correct answer is Copper (Cu).
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