Question

Stability of transition metal ions in aqueous solution

Answer 1

However, some of them are more common than others, especially in aqueous solution. In chromium the most common are +3 and +6. As a "free" ion C r X 3 + is moststable due to a filled s orbital and only one electron in the d shell. If you dissolve chromium(III)chloride in water you will get a complex formation
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