Balance the following skeletal redox reaction in an acidic medium: Cr → Cr³⁺ and NO₃⁻ → NO₂. What is the coefficient of H⁺ in the balanced equation?
University of Ilorin CHM101 2026-exam past question
- 2
- 4
- 6
- 8
Register free to see the answer and step-by-step explanation
More University of Ilorin CHM101 2026-exam past questions
Related questions
- Which of the following can be used as a reference electrode?
- Na₂CO₃(s) → Na₂CO₃(aq), ΔH = x kJ mol⁻¹. ΔH represents:
- What type of bond exists in N₂ and O₂?
- Aluminium sulphate reacts with calcium hydroxide to produce aluminium hydroxide and calcium sulphate: Al₂(SO₄)₃ + Ca(OH)₂ → Al(OH)₃ + CaSO₄…
- When the difference in electronegativity is high, the compound formed is most likely:
- What is the coefficient of CO in the balanced chemical equation: Fe₂O₃ + CO → Fe + CO₂?
