Please with all the formulas in chemistry qualitative analysis

Here are some common types of reactions and their representative formulas:

1. Precipitation Reactions (for Cations and Anions):

   • Many ions are identified by forming an insoluble precipitate with a specific reagent.
   • Example 1: Group I Cations (e.g., Ag⁺, Pb²⁺) with HCl Ag⁺(aq) + Cl⁻(aq) → AgCl(s)
   • Example 2: Sulfate Anion (SO₄²⁻) with BaCl₂ Ba²⁺(aq) + SO₄²⁻(aq) → BaSO₄(s)

2. Gas Evolution Reactions (for Anions and Cations):

   • Some ions react to produce a characteristic gas.
   • Example 1: Carbonate Anion (CO₃²⁻) with Acid CO₃²⁻(aq) + 2H⁺(aq) → H₂O(l) + CO₂(g)
   • Example 2: Ammonium Cation (NH₄⁺) with a Strong Base NH₄⁺(aq) + OH⁻(aq) → NH₃(g) + H₂O(l)

3. Complex Formation Reactions (for Cations):

   • Transition metal ions often form colored soluble complexes with certain ligands.
   • Example 1: Copper(II) Cation (Cu²⁺) with Ammonia Cu²⁺(aq) + 4NH₃(aq) → [Cu(NH₃)₄]²⁺(aq) (deep blue solution)
   • Example 2: Iron(III) Cation (Fe³⁺) with Thiocyanate Fe³⁺(aq) + SCN⁻(aq) → [Fe(SCN)]²⁺(aq) (blood-red solution)

4. Redox Reactions (for specific ions):

   • Some ions are identified by their ability to be oxidized or reduced, leading to a color change.
   • Example: Iodide Anion (I⁻) with an Oxidizing Agent (e.g., H₂O₂ in acid) 2I⁻(aq) + H₂O₂(aq) + 2H⁺(aq) → I₂(aq) + 2H₂O(l) (brown solution)

These examples illustrate the main types of reactions used. The specific formulas depend on the exact ions being tested.