Aqueous Metal Ions and Color Changes in Redox Reactions
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13 Terms
1
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MnO₄⁻(aq)
Purple
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Cu²⁺(aq); Cr³⁺(aq)
Blue/green
3
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Cr₂O₇²⁻(aq); Ce⁴⁺(aq)
Orange
4
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Fe²⁺(aq)
Pale green
5
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Fe³⁺(aq)
Orange/brown/yellow
6
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Aqueous metal ions with no unpaired d electrons
Colorless
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NO₂(g)
Brown
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Br₂(l)
Orange in hexane
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I₂(s)
Violet in hexane
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What does MnO₄⁻(aq) convert to in acidic solution?
Mn²⁺(aq)
11
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What does Cr₂O₇²⁻(aq) convert to in acidic solution?
Cr³⁺(aq)
12
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What does MnO₄⁻(aq) convert to in basic solution?
MnO₂(s)
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What does Cr₂O₇²⁻(aq) convert to in basic solution?
Cr(OH)₃(s)
Note 
Flashcards (42)