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Chem Questions about ions

What is the colour when Cr3+, Ni2+ and Mn2+ add into OH-(aq), excess OH-(aq), NH3(aq) and excess NH3(aq) respectively?

1 Answer

Rating
  • nick
    Lv 5
    1 decade ago
    Favorite Answer

    Cr3+ compound : green in colour

    Ni2+ compound : green in colour

    Mn2+ compound : pale pink in colour

    OH- & NH3: COLOURLESS

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