Which cations in Group VI are confirmed by a flame test, and what colours do they produce?
University of Ilorin CHM108 2025 past question
- Ca²⁺ (brick red) and Ba²⁺ (apple green)
- Na⁺ (golden yellow) and K⁺ (lilac)
- Cu²⁺ (blue-green) and Pb²⁺ (pale blue)
- Mg²⁺ (white) and Zn²⁺ (colourless)
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