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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?
- nickLv 51 decade agoFavorite Answer
Cr3+ compound : green in colour
Ni2+ compound : green in colour
Mn2+ compound : pale pink in colour
OH- & NH3: COLOURLESS