No redox reactions are occurring.Concentrated sulfuric acid isn't a strong enough oxidising agent to oxidise fluoride or chloride ions.The sulfuric acid acts as an acid and donates a proton to the halide.Misty fumes of HCl are observed.NaCl + H2SO4 → NaHSO4 + HCl
Sodium Chloride with Sulfuric Acid
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Specification: AQA Chemistry (7404), AS-level, 3.2.3.1 Trends in properties. Topic: Group 7.
Key terms in this lesson
- Oxidising agent
- A species that accepts electrons from another species, causing that species to be oxidised.
More in Group 7
- Melting and Boiling Points
- Trends in Oxidising Ability
- Displacement Reactions
- Halide Ions as Reducing Agents
- Sodium Bromide with Sulfuric Acid
- Sodium Iodide with Sulfuric Acid
- Reaction with Water
- Reaction with Alkali
All 20 lessons in Group 7 · All AQA AS-level Chemistry topics