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12 terms

Colors of Common Ions in Aqueous Solution

STUDY
PLAY
Fe²⁺
green
Fe³⁺
yellow
Cu²⁺
blue
Cu⁺
green
Cr²⁺
blue
Cr³⁺
green or violet
Mn²⁺
faint pink
Ni²⁺
green
Co²⁺
pink
MnO⁴⁻
dark purple
CrO₄²⁻
yellow
Cr₂O₇²⁻
orange