Most of the Compounds of the 2+ Ions of the First

question 6

Multiple Choice

Most of the compounds of the 2+ ions of the first row of the transition metals from Mn to Zn are colored due to absorption of visible light promoting an electron from one 3d orbital to another.Which of these ions should tend to form colorless compounds?

• A)Mn²⁺
• B)Co²⁺
• C)Cu²⁺
• D)Zn²⁺

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