What cation turns pink on reacting with rubeanic acid?
University of Ilorin CHM108 2025 past question
- Cu²⁺
- Ni²⁺
- Zn²⁺
- Co²⁺
Register free to see the answer and step-by-step explanation
More University of Ilorin CHM108 2025 past questions
Related questions
- What is the chemical formula of a compound containing Fe²⁺ and SO₄²⁻ ions?
- What is the purpose of decantation in qualitative analysis?
- What is the purpose of evaporating a solution to dryness in qualitative analysis?
- Which active group includes Pb²⁺, As³⁺, and Hg²⁺?
- Which Group I cation does NOT form a precipitate with H₂S in an acidic medium?
- What anion is detected in Group VI during the confirmatory test?
