Given the demasking reaction: Zn(CN)₄²⁻ + 4HCHO + H₂O → Zn²⁺ + HOCH₂CN + 4OH⁻, what is the demasking agent?
University of Ilorin CHM107 2023B past question
- Zn(CN)₄²⁻
- HCHO
- H₂O
- HOCH₂CN
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