24. Which set of properties is most characteristic of transition elements? A) colorless ions in solution, multiple positive oxidation states B) colorless ions in solution, multiple negative oxidation states C) colored ions in solution, multiple positive oxidation states D) colored ions in solution, multiple negative oxidation states
Chemistry · Middle School · Wed Jan 13 2021
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Here, option (C) is correct.
Transition elements have colored ions in solution. For example : Fe2+ is green colored in solution, Fe3+ is brown colored in solution. Transition elements have multiple positive oxidation states.