Evaporating a solution to dryness is used to precipitate which group of cations?
University of Ilorin CHM108 2025 past question
- Group I cations (Pb²⁺, Ag⁺, Hg₂²⁺)
- Group II cations (Cu²⁺, As³⁺, Hg²⁺)
- Group III cations (Fe³⁺, Al³⁺, Cr³⁺)
- Group VI cations (Mg²⁺, Na⁺, K⁺)
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