Mountainview High School - Department of Science - Chemistry
Level 3 NCEA Chemistry
Oxidation and Reduction Lesson Plan
Student Text / TW: Abbot, G. & Cooper, B. “Year 13 Chemistry NCEA Level 3 Theory Workbook” Second Edition 2006.
PW: Abbot, G. & Cooper, B. “Year 13 Chemistry NCEA Level 3 Practical Workbook” Second Edition 2006.
Topic / Specific Learning Outcomes / Learning Tasks / Activity Type / Key Competencies Applied / Values encouraged… / Assessment
T / R / U / M / P
Oxidation – Reduction Reactions / - Define the terms oxidation, reduction, oxidant, oxidising agent, reductant, reducing agent, spectator ion. / TW: Oxidation-Reduction Reactions / General Task / * / * / Through Te Ara “The Path”
Excellence
Innovation, inquiry and curiosity
Diversity
Equity
Community and participation
Ecological sustainability
Integrity
Respect / Achievement Standard 90696
Chemistry 3.3 – Describe oxidation-reduction processes. Externally assessed, 2 credits.
- Calculate oxidation numbers and use them to recognise oxidation and reduction. / TW: Oxidation Number (or Oxidation State) / General Task / * / *
- Recognise oxidation and reduction reactions from symbol and word equations.
- Recognise and identify the colour of a range of oxidants and reductants and any associated colour changes.
- Write balanced half equations and full equations for a range of redox reactions. / TW: Redox Equations / General Task / * / *
- Carry out a series of reactions to illustrate oxidation and reduction. / PW: Redox Reactions Revision
PW: Redox Reactions Extension / Practical Exercise
Practical Exercise / *
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Redox Titrations / - Write reduction half equations for a range of oxidants.
- Write oxidation half equations for a range of reductants.
- Write balanced equations for a range of redox reactions. / PW: Redox Half-equations and Full Equations / Writing Exercise / * / * / Through Te Ara “The Path
Excellence
Innovation, inquiry and curiosity
Diversity
Equity
Community and participation
Ecological sustainability
Integrity
Respect / Achievement Standard 90780
Chemistry 3.2 – Describe the concentration of an oxidant or reductant by titration. Internally assessed, 3 credits.
- Define the following terms: titre, concordant titre, primary standard, endpoint, equivalence point, aliquot. / TW: Redox Titrations
PW: Using Oxidation-Reduction Reactions in Quantitative Analysis / General Task
Writing Exercise / *
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- Describe and carry out a titration. / PW: Volumetric Analysis / Reading Exercise / * / *
- Prepare and calculate the concentration of a standard solution. / PW: Preparation of a Standard Solution / Practical Exercise / * / * / * / * / *
- Carry out a redox titration to standardise potassium permanganate solution using iron(II) and oxalic acid solutions. / PW: Standardising Potassium Permanganate with an Iron(II) Solution
PW: Standarsing Potassium Permanganate with Oxalic Acid / Practical Exercise
Practical Exercise / *
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- Calculate concentrations of unknown solutions using data obtained experimentally by titration. / PW: Blood Alcohol / Extra for Experts / * / * / * / * / *
- Experimentally determine the percentage of iron in steel wool. / PW: Finding the Percentage of Iron in Steel Wool / Practical Exercise / * / * / * / * / *
- Standardise sodium thiosulfate solution using potassium permanganate solution. / PW: Standardising Sodium Thiosulfate with Potassium Permanganate / Practical Exercise / * / * / * / * / *
- Analyse the hypochlorite ion concentration in household bleach and compare it to the manufacturer’s specifications / PW: Analysis of Household Bleach / Practical Exercise / * / * / * / * / *
- Experimentally determine the percentage of copper found in brass. / PW: Finding the Percentage of Copper in Brass / Practical Exercise / * / * / * / * / *
Electrochemical cells / - Define the following terms: electrolyte, anode, cathode, salt bridge.
- Write ionic equations to describe the reactions occurring in an electrochemical cell. / TW: Electrochemistry / General Task / * / * / Through Te Ara “The Path
Excellence
Innovation, inquiry and curiosity
Diversity
Equity
Community and participation
Ecological sustainability
Integrity
Respect / Achievement Standard 90696
Chemistry 3.3 – Describe oxidation-reduction processes. Externally assessed, 2 credits.
- Label diagrams of electrochemical cells to show cell contents, electrode polarity and direction of electron flow.
- Represent electrochemical cells using IUPAC conventions. / TW: Electrochemical Cells / General Task / * / *
- Carry out an experiment to observe electron transfer when reactants are physically separated. / PW: Electron Transfer / Practical Exercise / * / * / * / *
- Calculate voltages using EO values from data books.
- Use EO values to predict if a reaction will occur spontaneously. / TW: Standard Electrode Potentials
TW: Standard Electrode Potentials (EO Values)
TW: Representing Cells
TW: EMF’s of Cells
PW: EO Values
PW: Another Use for EO Values
PW: Testing your Predictions / Reading Exercise
General Task
General Task
General Task
Practical Exercise
Writing Exercise
Practical Exercise / *
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- Describe and label the functions of the key features of electrochemical cells including lead-acid and dry cells. / TW: The lead-Acid Battery
TW: The Dry Cell (Leclanché Cell) / General Task
General Task / *
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- Construct a range of electrochemical calls and measure voltages produced. / PW: Making Electrochemical Calls / Practical Exercise / * / * / * / * / *
- Construct and investigate the composition of a dry cell. / PW: The Dry Cell / Practical Exercise / * / * / * / * / *
- Construct a lead-acid cell. / PW: The Lead-Acid Cell / Practical Exercise / * / * / * / * / *
- Describe the contribution of Galvani, Volt, Daniell, Leclanché, and Edison to the development of electrochemical cells. / PW: Battery Power / Writing Exercise / * / *
- Describe and label the functions of the key features of electrochemical cells. / PW: Summary: Key Feature of Electrochemical Cells
PW: Know your Cells / Writing Exercise
Reading and Internet Research / *
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