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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Creative Problem Solving in Chemistry - Which set of ionic compounds?
Specification
- Republic of Ireland
- Northern Ireland
- England
- GCSE
- AQA Chemistry
- Practical assessment
- 4.4 Chemical changes
- 4.4.3 Electrolysis
- 4.4.3.4 Electrolysis of aqueous solutions
- The ions discharged when an aqueous solution is electrolysed using inert electrodes depend on the relative reactivity of the elements involved.
- At the negative electrode (cathode), hydrogen is produced if the metal is more reactive than hydrogen. At the positive electrode (anode), oxygen is produced unless the solution contains halide ions when the halogen is produced.
- Students should be able to predict the products of the electrolysis of aqueous solutions containing a single ionic compound.
- 4.4.3.4 Electrolysis of aqueous solutions
- 4.4.1 Reactivity of metals
- 4.4.2 Reaction of acids
- 4.4.3 Electrolysis
- 4.8 Chemical analysis
- AQA Combined science: Trilogy
- 5.4 Chemical changes
- 5.4.1 Reactivity of metals
- 5.4.3 Electrolysis
- 5.5.3.4 Electrolysis of aqueous solutions
- The ions discharged when an aqueous solution is electrolysed using inert electrodes depend on the relative reactivity of the elements involved.
- At the negative electrode (cathode), hydrogen is produced if the metal is more reactive than hydrogen. At the positive electrode (anode), oxygen is produced unless the solution contains halide ions when the halogen is produced.
- Students should be able to predict the products of the electrolysis of aqueous solutions containing a single ionic compound.
- 5.5.3.4 Electrolysis of aqueous solutions
- 5.4.2 Reaction of acids
- 5.4 Chemical changes
- Edexcel Chemistry
- Topic 4 - Extracting metals and equilibria
- Apparatus and Techniques
- Core Practicals
- Topic 3 - Chemical changes
- Acids
- 3.12 Describe the chemical test for: hydrogen, carbon dioxide (using limewater)
- 3.19 Recall the general rules which describe the solubility of common types of substances in water: all common sodium, potassium and ammonium salts are soluble; all nitrates are soluble; common chlorides are soluble except those of silver and lead…
- 3.20 Predict, using solubility rules, whether or not a precipitate will be formed when named solutions are mixed together, naming the precipitate if any
- Acids
- Topic 9 - Separate chemistry 2
- Qualitative analysis: test for ions
- 9.1C Explain why the test for any ion must be unique
- 9.2Ca Describe flame tests to identify the following ions in solids: lithium ion, Li⁺ (red)
- 9.2Cb sodium ion, Na⁺ (yellow)
- 9.2Cc potassium ion, K⁺ (lilac)
- 9.2Ce copper ion, Cu²⁺ (blue-green)
- 9.3Cc copper ion, Cu²⁺
- 9.5C Describe tests to identify the following ions in solids or solutions as appropriate: carbonate ion, CO₃²⁻, using dilute acid and identifying the carbon dioxide evolved
- 9.5Cb sulfate ion, SO₄²⁻, using dilute hydrochloric acid and barium chloride solution
- 9.5Cc chloride ion, Cl⁻, bromide ion, Br⁻, iodide ion, I⁻, using dilute nitric acid and silver nitrate solution
- 9.7C Identify the ions in unknown salts, using results of the tests above
- Qualitative analysis: test for ions
- Edexcel Combined science
- Topic 3 - Chemical changes
- Acids
- 3.12 Describe the chemical test for: hydrogen, carbon dioxide (using limewater)
- 3.19 Recall the general rules which describe the solubility of common types of substances in water: all common sodium, potassium and ammonium salts are soluble; all nitrates are soluble; common chlorides are soluble except those of silver and lead…
- 3.20 Predict, using solubility rules, whether or not a precipitate will be formed when named solutions are mixed together, naming the precipitate if any
- Acids
- Topic 4 - Extracting metals and equilibria
- Apparatus and Techniques
- Topic 3 - Chemical changes
- OCR Chemistry A: Gateway
- OCR Chemistry B: 21st century
- C1 Air and water
- C3 Chemicals of the natural environment
- C5 Chemical analysis
- C5.2 How do chemists find the composition of unknown samples?
- C5.2.2 interpret flame tests to identify metal ions, including the ions of lithium, sodium, potassium, calcium and copper
- C5.2.3 describe the technique of using flame tests to identify metal ions
- C5.2.4 describe tests to identify aqueous cations and aqueous anions and identify species from test results including: tests and expected results for metal ions in solution by precipitation reactions using dilute sodium hydroxide (calcium, copper, iron(I…
- C5.2 How do chemists find the composition of unknown samples?
- C8 Practical skills
- OCR Combined science B: 21st Century
- OCR Combined science A: Gateway
- AQA Chemistry
- GCSE
- Scotland
- Wales
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