Microscale chemistry: electrolysis using a microscale Hoffman apparatus

No comments

Investigate the electrolysis of sodium sulphate solution using a microscale Hoffman apparatus

Downloads

Electrolysis using a microscale Hoffman apparatus - teacher
PDF, Size 64.92 kb
Electrolysis using a microscale hoffman apparatus - student
PDF, Size 0.41 mb
Introduction guide
PDF, Size 0.37 mb

Download all

No comments

Level

Use

Specification

Northern Ireland
- GCSE
  - CCEA Chemistry
    - Unit 2: Further Chemical Reactions, Rates and Equilibrium, Calculations and Organic Chemistry
      - 2.7 Electrochemistry
        2.7.4 recall the products of electrolysis of dilute sulfuric acid using inert electrodes and the half equations for the reactions occurring at the anode and the cathode;
Republic of Ireland
- Junior Cycle
  - Science
    - Chemical world
      - Systems and interactions
        7. Investigate the effect of a number of variables on the rate of chemical reactions including the production of common gases and biochemical reactions.
- Leaving Certificate
  - Chemistry
    - 1. Periodic table and atomic structure
      - 1.5 Oxidation and Reduction
        Dpeth of Treatment
        Oxidation and reduction in terms of loss and gain of electrons.
        Oxidising and reducing agents.
        Activities
        Demonstration of ionic movement.
        Demonstration of electrolysis of aqueous sodium sulfate (using universal indicator) and of aqueous potassium iodide (using phenolphthalein indicator) with inert electrodes. (Half equations only required.)
Scotland
- National 5
  - SQA Chemistry
    - Chemical changes and structure
      - Acids and bases
        pH
        Water is neutral as it dissociates according to the equation 2H₂O (l) ⇌ H⁺ (aq) + OH⁻ (aq) producing equal concentrations of hydrogen and hydroxide ions. At any time, only a few water molecules are dissociated into free ions
Wales
- GCSE
  - WJEC Chemistry
    - Unit 2: CHEMICAL BONDING, APPLICATION OF CHEMICAL REACTIONS and ORGANIC CHEMISTRY
      - 2.3 METALS AND THEIR EXTRACTION
        (m) the electrolysis of water (including electrode equations)
England
- GCSE

News
A step closer to post-lithium energy storage
2020-01-13T15:15:00Z
Calcium batteries could be viable thanks to a new electrolyte
CPD
The extraction of metals
2019-12-11T11:50:00Z
Embed the understanding of reduction and oxidation with your students
Resource
Recharge your batteries
2019-12-04T14:50:00Z
Find out how litium-ion batteries work, and the issues surrounding their manufacture and disposal

No comments yet

You're not signed in.

Only registered users can comment on this article.

More Resources

Resource
The great chemistry cook off
2020-01-22T11:30:00Z
What exactly is happening when foods change colour?
Resource
Assessing air pollution levels
2020-01-02T09:52:00Z
Practise data analysis skills with 11–14
Resource
Using ratios in chemistry
2019-12-18T11:38:00Z
Help to apply maths skills to chemistry lessons: ratios