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

No comments

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

Downloads

Which set of ionic compounds?
Handout | PDF, Size 38.48 kb
Using the problems
PDF, Size 30.49 kb

Download all

No comments

Level

Use

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)

Job profile
Process chemist – higher apprentice, pharmaceuticals
Erin helps turn new medicines into finished products so that they can be mass-produced for patients.
Interview
‘My favourite colloids? English ale and clotted cream’
2021-06-17T09:16:00Z
Meet Brent Murray, a food scientist with a passion for beer, ice cream, clotted cream and other food colloids
Ideas
Effective questioning in organic chemistry
2021-05-19T06:45:00Z
How to use conversation to help stuck students solve their own problems

No comments yet

You're not signed in.

Only registered users can comment on this article.

More Resources

Resource
The pH scale and the chemistry of ocean acidification | 14–16 years
Worksheet to develop understanding of the pH scale and apply it in the context of ocean acidification. Extension questions provide more challenge on carbonic acid and acid base equilibrium, leading to a research task on the consequences for marine organisms.
Resource
Microscale neutralisation and precipitation reactions
2021-08-02T05:32:00Z
Hone your students’ observation skills by asking them to observe two microscale reactions: neutralising citric acid and creating a lead iodide precipitate
Resource
Catalysts and reaction conditions for sustainable industry | 16–18 years
Research and presentation activity based on catalysts and reaction conditions in the context of sustainable industry.

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

Downloads

Which set of ionic compounds?

Using the problems

Level

Use

Category

Specification

Related articles

Process chemist – higher apprentice, pharmaceuticals

‘My favourite colloids? English ale and clotted cream’

Effective questioning in organic chemistry

No comments yet

Only registered users can comment on this article.

More Resources

The pH scale and the chemistry of ocean acidification | 14–16 years

Microscale neutralisation and precipitation reactions

Catalysts and reaction conditions for sustainable industry | 16–18 years