Creative Problem Solving in Chemistry - Which set of ionic compounds?

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Devise a procedure to identify four solids and then use this to carry out the identification.

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Which set of ionic compounds?
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Level

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Specification

Republic of Ireland
- Leaving Certificate
  - Chemistry
    - 1. Periodic table and atomic structure
      - 1.4 Electronic Structure of Atoms
        Activities
        Mandatory experiment 1.1 - Flame tests (Li, Na, K, Ba, Sr and Cu only)
    - 2. Chemical bonding
      - 2.2 Ionic Bonding
        Activities
        Mandatory experiment 2.1 - Tests for anions in aqueous solutions: chloride, carbonate, nitrate, sulfate, phosphate, sulfite, hydrogencarbonate.
Northern Ireland
- GCSE
  - CCEA Chemistry
    - Unit 1: Structures, Trends, Chemical Reactions, Quantitative Chemistry and Analysis
      - 1.9 Chemical analysis
        1.9.16 write ionic equations for the halide and sulfate ion tests and tests for metal ions using sodium hydroxide solution;
- A/AS level
  - CCEA Chemistry
    - Unit AS 3: Basic Practical Chemistry
      - use chemical tests listed in ‘Qualitative tests’ to identify unknown substances;
England
- GCSE
Scotland
- National 5
  - SQA Chemistry
    - Chemical changes and structure
      - Atomic structure and bonding related to properties of materials
        Ionic compounds
        Many ionic compounds are soluble in water. As they dissolve the lattice structure breaks up allowing water molecules to surround the separated ions.
    - Chemistry in society
      - Chemical analysis
        Analytical methods
        Flame tests can identify metals present in a sample.
Wales
- GCSE
  - WJEC Combined science
    - Unit 2: Chemistry 1
      - 2.2 ATOMIC STRUCTURE AND THE PERIODIC TABLE
        (s) the identification of Li⁺, Na⁺, K⁺, Ca²⁺ and Ba²⁺ ions by flame tests and Cl⁻, Br⁻ and I⁻ ions by their reactions with silver nitrate solution (including ionic equations)
    - Unit 5: Chemistry 2
      - 5.2 ACIDS, BASES AND SALTS
        (f) the acid/carbonate reaction as a test for acidic substances and CO₃²⁻ ions
        (i) the test used to identify SO₄²⁻ ions
  - WJEC Chemistry
    - Unit 1: CHEMICAL SUBSTANCES, REACTIONS and ESSENTIAL RESOURCES
      - 1.2 ATOMIC STRUCTURE AND THE PERIODIC TABLE
        (t) the identification of Li⁺, Na⁺, K⁺, Ca²⁺ and Ba²⁺ ions by flame tests and Cl⁻, Br⁻ and I⁻ ions by their reactions with silver nitrate solution (including ionic equations)
    - Unit 2: CHEMICAL BONDING, APPLICATION OF CHEMICAL REACTIONS and ORGANIC CHEMISTRY
      - 2.2 ACIDS, BASES AND SALTS
        (f) the acid/carbonate reaction as a test for acidic substances and CO₃²⁻ ions
        (i) the test used to identify SO₄²⁻ ions
- A/AS level
  - WJEC Chemistry
    - Unit 1: THE LANGUAGE OF CHEMISTRY, STRUCTURE OF MATTER AND SIMPLE REACTIONS
      - 1.6 The Periodic Table
        (f) reactions of the aqueous cations Mg²⁺, Ca²⁺ and Ba²⁺ with OH⁻, CO₃²⁻ and SO₄²⁻ ions
        (g) characteristic flame colours shown by compounds of Li, Na, K, Ca, Sr and Ba (Mg compounds show no colour)

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Creative Problem Solving in Chemistry - Which set of ionic compounds?

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Which set of ionic compounds?

Using the problems

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