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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 1 |
ELECTROCHEMISTRY
|
Redox Reactions and Oxidation Numbers
|
By the end of the
lesson, the learner
should be able to:
Define redox reactions in terms of electron transfer - State rules for assigning oxidation numbers - Calculate oxidation numbers in compounds - Identify oxidation and reduction processes |
In groups, learners are guided to:
Q/A: Review previous knowledge - Experiment 4.1: Iron filings + copper(II) sulphate - Experiment 4.2: Iron(II) ions + hydrogen peroxide - Discussion on oxidation number rules with examples |
Iron filings, 1M CuSO₄, 1M FeSO₄, 2M NaOH, 20V H₂O₂, test tubes
|
KLB Secondary Chemistry Form 4, Pages 108-116
|
|
| 2 | 2 |
ELECTROCHEMISTRY
|
Redox Reactions and Oxidation Numbers
|
By the end of the
lesson, the learner
should be able to:
Define redox reactions in terms of electron transfer - State rules for assigning oxidation numbers - Calculate oxidation numbers in compounds - Identify oxidation and reduction processes |
In groups, learners are guided to:
Q/A: Review previous knowledge - Experiment 4.1: Iron filings + copper(II) sulphate - Experiment 4.2: Iron(II) ions + hydrogen peroxide - Discussion on oxidation number rules with examples |
Iron filings, 1M CuSO₄, 1M FeSO₄, 2M NaOH, 20V H₂O₂, test tubes
|
KLB Secondary Chemistry Form 4, Pages 108-116
|
|
| 2 | 3-4 |
ELECTROCHEMISTRY
|
Oxidation Numbers in Naming and Redox Identification
|
By the end of the
lesson, the learner
should be able to:
Apply oxidation numbers to systematic naming - Use oxidation numbers to identify redox reactions - Distinguish oxidizing and reducing agents - Track electron movement in reactions |
In groups, learners are guided to:
Worked examples: Calculate oxidation numbers in complex compounds - Practice IUPAC naming - Exercise 4.1: Identify redox reactions using oxidation numbers - Name compounds with variable oxidation states |
Compound charts, calculators, student books, practice exercises
|
KLB Secondary Chemistry Form 4, Pages 109-116
|
|
| 2 | 5 |
ELECTROCHEMISTRY
|
Displacement Reactions - Metals and Halogens
|
By the end of the
lesson, the learner
should be able to:
Explain displacement reactions using electron transfer - Arrange metals and halogens by reactivity - Predict displacement reactions - Compare oxidizing powers of halogens |
In groups, learners are guided to:
Experiment 4.3: Metal displacement reactions - systematic testing - Experiment 4.4: Halogen displacement (FUME CUPBOARD) - Tabulate results and arrange by reactivity |
Various metals (Ca, Mg, Zn, Fe, Pb, Cu), metal salt solutions, halogens (Cl₂, Br₂, I₂), halide solutions
|
KLB Secondary Chemistry Form 4, Pages 116-122
|
|
| 3 | 1 |
ELECTROCHEMISTRY
|
Electrochemical Cells and Cell Diagrams
|
By the end of the
lesson, the learner
should be able to:
Define electrode potential and EMF - Describe electrochemical cell components - Draw cell diagrams using correct notation - Explain electron flow and salt bridge function |
In groups, learners are guided to:
Experiment 4.5: Set up Zn/Cu cell and other metal combinations - Measure EMF values - Practice writing cell notation - Learn conventional representation methods |
Metal electrodes, 1M metal salt solutions, voltmeters, salt bridges, connecting wires
|
KLB Secondary Chemistry Form 4, Pages 123-128
|
|
| 3 | 2 |
ELECTROCHEMISTRY
|
Electrochemical Cells and Cell Diagrams
|
By the end of the
lesson, the learner
should be able to:
Define electrode potential and EMF - Describe electrochemical cell components - Draw cell diagrams using correct notation - Explain electron flow and salt bridge function |
In groups, learners are guided to:
Experiment 4.5: Set up Zn/Cu cell and other metal combinations - Measure EMF values - Practice writing cell notation - Learn conventional representation methods |
Metal electrodes, 1M metal salt solutions, voltmeters, salt bridges, connecting wires
|
KLB Secondary Chemistry Form 4, Pages 123-128
|
|
| 3 | 3-4 |
ELECTROCHEMISTRY
|
Electrochemical Cells and Cell Diagrams
Standard Electrode Potentials |
By the end of the
lesson, the learner
should be able to:
Define electrode potential and EMF - Describe electrochemical cell components - Draw cell diagrams using correct notation - Explain electron flow and salt bridge function Define standard electrode potential - Describe standard hydrogen electrode - List standard conditions - Use electrode potential tables effectively |
In groups, learners are guided to:
Experiment 4.5: Set up Zn/Cu cell and other metal combinations - Measure EMF values - Practice writing cell notation - Learn conventional representation methods Study standard hydrogen electrode setup - Discussion of standard conditions (25°C, 1M, 1 atm) - Introduction to electrode potential series - Practice reading potential tables |
Metal electrodes, 1M metal salt solutions, voltmeters, salt bridges, connecting wires
Standard electrode potential table, diagrams, charts showing standard conditions |
KLB Secondary Chemistry Form 4, Pages 123-128
KLB Secondary Chemistry Form 4, Pages 129-133 |
|
| 3 | 5 |
ELECTROCHEMISTRY
|
Standard Electrode Potentials
|
By the end of the
lesson, the learner
should be able to:
Define standard electrode potential - Describe standard hydrogen electrode - List standard conditions - Use electrode potential tables effectively |
In groups, learners are guided to:
Study standard hydrogen electrode setup - Discussion of standard conditions (25°C, 1M, 1 atm) - Introduction to electrode potential series - Practice reading potential tables |
Standard electrode potential table, diagrams, charts showing standard conditions
|
KLB Secondary Chemistry Form 4, Pages 129-133
|
|
| 4 | 1 |
ELECTROCHEMISTRY
|
Calculating Cell EMF and Predicting Reactions
|
By the end of the
lesson, the learner
should be able to:
Calculate EMF using standard electrode potentials - Predict reaction spontaneity using EMF - Solve numerical problems on cell EMF - Apply EMF calculations practically |
In groups, learners are guided to:
Worked examples: Calculate EMF for various cells - Practice EMF calculations - Exercise 4.2 & 4.3: Cell EMF and reaction feasibility problems - Distinguish spontaneous from non-spontaneous reactions |
Calculators, electrode potential data, worked examples, practice problems
|
KLB Secondary Chemistry Form 4, Pages 133-137
|
|
| 4 | 2 |
ELECTROCHEMISTRY
|
Calculating Cell EMF and Predicting Reactions
|
By the end of the
lesson, the learner
should be able to:
Calculate EMF using standard electrode potentials - Predict reaction spontaneity using EMF - Solve numerical problems on cell EMF - Apply EMF calculations practically |
In groups, learners are guided to:
Worked examples: Calculate EMF for various cells - Practice EMF calculations - Exercise 4.2 & 4.3: Cell EMF and reaction feasibility problems - Distinguish spontaneous from non-spontaneous reactions |
Calculators, electrode potential data, worked examples, practice problems
|
KLB Secondary Chemistry Form 4, Pages 133-137
|
|
| 4 | 3-4 |
ELECTROCHEMISTRY
|
Types of Electrochemical Cells
|
By the end of the
lesson, the learner
should be able to:
Describe functioning of primary and secondary cells - Compare different cell types - Explain fuel cell operation - State applications of electrochemical cells |
In groups, learners are guided to:
Study dry cell (Le Clanche) and lead-acid accumulator - Hydrogen-oxygen fuel cell operation - Compare cell types and applications - Discussion on advantages/disadvantages |
Cell diagrams, sample batteries, charts showing cell applications
|
KLB Secondary Chemistry Form 4, Pages 138-141
|
|
| 4 | 5 |
ELECTROCHEMISTRY
|
Electrolysis of Aqueous Solutions I
|
By the end of the
lesson, the learner
should be able to:
Define electrolysis and preferential discharge - Investigate electrolysis of dilute sodium chloride - Compare dilute vs concentrated solution effects - Test products formed |
In groups, learners are guided to:
Experiment 4.6(a): Electrolysis of dilute NaCl - Experiment 4.6(b): Electrolysis of brine - Test gases evolved - Compare results and explain differences |
Dilute and concentrated NaCl solutions, carbon electrodes, gas collection tubes, test equipment
|
KLB Secondary Chemistry Form 4, Pages 141-146
|
|
| 5 | 1 |
ELECTROCHEMISTRY
|
Electrolysis of Aqueous Solutions II
|
By the end of the
lesson, the learner
should be able to:
Analyze electrolysis of dilute sulphuric acid - Investigate electrolysis of metal salt solutions - Measure gas volumes and ratios - Apply theoretical predictions |
In groups, learners are guided to:
Experiment 4.7: Electrolysis of dilute H₂SO₄ using U-tube - Experiment 4.8: Electrolysis of MgSO₄ solution - Collect and measure gases - Analyze volume ratios |
U-tube apparatus, 2M H₂SO₄, 0.5M MgSO₄, platinum/carbon electrodes, gas syringes
|
KLB Secondary Chemistry Form 4, Pages 146-148
|
|
| 5 | 2 |
ELECTROCHEMISTRY
|
Electrolysis of Aqueous Solutions II
|
By the end of the
lesson, the learner
should be able to:
Analyze electrolysis of dilute sulphuric acid - Investigate electrolysis of metal salt solutions - Measure gas volumes and ratios - Apply theoretical predictions |
In groups, learners are guided to:
Experiment 4.7: Electrolysis of dilute H₂SO₄ using U-tube - Experiment 4.8: Electrolysis of MgSO₄ solution - Collect and measure gases - Analyze volume ratios |
U-tube apparatus, 2M H₂SO₄, 0.5M MgSO₄, platinum/carbon electrodes, gas syringes
|
KLB Secondary Chemistry Form 4, Pages 146-148
|
|
| 5 | 3-4 |
ELECTROCHEMISTRY
|
Electrolysis of Aqueous Solutions II
Effect of Electrode Material on Electrolysis |
By the end of the
lesson, the learner
should be able to:
Analyze electrolysis of dilute sulphuric acid - Investigate electrolysis of metal salt solutions - Measure gas volumes and ratios - Apply theoretical predictions Compare inert vs reactive electrodes - Investigate electrode dissolution - Explain electrode selection importance - Analyze copper purification process |
In groups, learners are guided to:
Experiment 4.7: Electrolysis of dilute H₂SO₄ using U-tube - Experiment 4.8: Electrolysis of MgSO₄ solution - Collect and measure gases - Analyze volume ratios Experiment 4.9: Electrolysis of CuSO₄ with carbon vs copper electrodes - Weigh electrodes before/after - Observe color changes - Discussion on electrode effects |
U-tube apparatus, 2M H₂SO₄, 0.5M MgSO₄, platinum/carbon electrodes, gas syringes
Copper and carbon electrodes, 3M CuSO₄ solution, accurate balance, beakers, connecting wires |
KLB Secondary Chemistry Form 4, Pages 146-148
KLB Secondary Chemistry Form 4, Pages 141-148 |
|
| 5 | 5 |
ELECTROCHEMISTRY
|
Effect of Electrode Material on Electrolysis
|
By the end of the
lesson, the learner
should be able to:
Compare inert vs reactive electrodes - Investigate electrode dissolution - Explain electrode selection importance - Analyze copper purification process |
In groups, learners are guided to:
Experiment 4.9: Electrolysis of CuSO₄ with carbon vs copper electrodes - Weigh electrodes before/after - Observe color changes - Discussion on electrode effects |
Copper and carbon electrodes, 3M CuSO₄ solution, accurate balance, beakers, connecting wires
|
KLB Secondary Chemistry Form 4, Pages 141-148
|
|
| 6 | 1 |
ELECTROCHEMISTRY
|
Factors Affecting Electrolysis
|
By the end of the
lesson, the learner
should be able to:
Identify factors affecting preferential discharge - Explain electrochemical series influence - Discuss concentration and electrode effects - Predict electrolysis products |
In groups, learners are guided to:
Review electrochemical series and discharge order - Analysis of concentration effects on product formation - Summary of all factors affecting electrolysis - Practice prediction problems |
Electrochemical series chart, summary tables, practice exercises, student books
|
KLB Secondary Chemistry Form 4, Pages 153-155
|
|
| 6 | 2 |
ELECTROCHEMISTRY
|
Applications of Electrolysis I
|
By the end of the
lesson, the learner
should be able to:
Describe electrolytic extraction of reactive metals - Explain electroplating process - Apply electrolysis principles to metal coating - Design electroplating setup |
In groups, learners are guided to:
Discussion: Extraction of Na, Mg, Al by electrolysis - Practical: Electroplate iron nail with copper - Calculate plating requirements - Industrial applications |
Iron nails, copper electrodes, CuSO₄ solution, power supply, industrial process diagrams
|
KLB Secondary Chemistry Form 4, Pages 155-157
|
|
| 6 | 3-4 |
ELECTROCHEMISTRY
|
Applications of Electrolysis I
|
By the end of the
lesson, the learner
should be able to:
Describe electrolytic extraction of reactive metals - Explain electroplating process - Apply electrolysis principles to metal coating - Design electroplating setup |
In groups, learners are guided to:
Discussion: Extraction of Na, Mg, Al by electrolysis - Practical: Electroplate iron nail with copper - Calculate plating requirements - Industrial applications |
Iron nails, copper electrodes, CuSO₄ solution, power supply, industrial process diagrams
|
KLB Secondary Chemistry Form 4, Pages 155-157
|
|
| 6 | 5 |
ELECTROCHEMISTRY
|
Applications of Electrolysis I
|
By the end of the
lesson, the learner
should be able to:
Describe electrolytic extraction of reactive metals - Explain electroplating process - Apply electrolysis principles to metal coating - Design electroplating setup |
In groups, learners are guided to:
Discussion: Extraction of Na, Mg, Al by electrolysis - Practical: Electroplate iron nail with copper - Calculate plating requirements - Industrial applications |
Iron nails, copper electrodes, CuSO₄ solution, power supply, industrial process diagrams
|
KLB Secondary Chemistry Form 4, Pages 155-157
|
|
| 7 | 1 |
ELECTROCHEMISTRY
|
Applications of Electrolysis II
|
By the end of the
lesson, the learner
should be able to:
Describe manufacture of NaOH and Cl₂ from brine - Explain mercury cell operation - Analyze industrial electrolysis processes - Discuss environmental considerations |
In groups, learners are guided to:
Study mercury cell for NaOH production - Flow chart analysis of industrial processes - Discussion on applications and environmental impact - Purification of metals |
Flow charts, mercury cell diagrams, environmental impact data, industrial case studies
|
KLB Secondary Chemistry Form 4, Pages 155-157
|
|
| 7 | 2 |
ELECTROCHEMISTRY
|
Applications of Electrolysis II
|
By the end of the
lesson, the learner
should be able to:
Describe manufacture of NaOH and Cl₂ from brine - Explain mercury cell operation - Analyze industrial electrolysis processes - Discuss environmental considerations |
In groups, learners are guided to:
Study mercury cell for NaOH production - Flow chart analysis of industrial processes - Discussion on applications and environmental impact - Purification of metals |
Flow charts, mercury cell diagrams, environmental impact data, industrial case studies
|
KLB Secondary Chemistry Form 4, Pages 155-157
|
|
| 7 | 3-4 |
ELECTROCHEMISTRY
|
Applications of Electrolysis II
|
By the end of the
lesson, the learner
should be able to:
Describe manufacture of NaOH and Cl₂ from brine - Explain mercury cell operation - Analyze industrial electrolysis processes - Discuss environmental considerations |
In groups, learners are guided to:
Study mercury cell for NaOH production - Flow chart analysis of industrial processes - Discussion on applications and environmental impact - Purification of metals |
Flow charts, mercury cell diagrams, environmental impact data, industrial case studies
|
KLB Secondary Chemistry Form 4, Pages 155-157
|
|
| 7 | 5 |
ELECTROCHEMISTRY
|
Faraday's Laws and Quantitative Electrolysis
|
By the end of the
lesson, the learner
should be able to:
State Faraday's laws of electrolysis - Define Faraday constant - Calculate mass deposited in electrolysis - Relate electricity to amount of substance |
In groups, learners are guided to:
Experiment 4.10: Quantitative electrolysis of CuSO₄ - Measure mass vs electricity passed - Calculate Faraday constant - Verify Faraday's laws |
Accurate balance, copper electrodes, CuSO₄ solution, ammeter, timer, calculators
|
KLB Secondary Chemistry Form 4, Pages 161-164
|
|
| 8 | 1 |
ELECTROCHEMISTRY
|
Electrolysis Calculations I
|
By the end of the
lesson, the learner
should be able to:
Calculate mass of products from electrolysis - Determine volumes of gases evolved - Apply Faraday's laws to numerical problems - Solve basic electrolysis calculations |
In groups, learners are guided to:
Worked examples: Mass and volume calculations - Problems involving different ions - Practice with Faraday constant - Basic numerical problems |
Calculators, worked examples, practice problems, gas volume data, Faraday constant
|
KLB Secondary Chemistry Form 4, Pages 161-164
|
|
| 8 | 2 |
ELECTROCHEMISTRY
|
Electrolysis Calculations I
|
By the end of the
lesson, the learner
should be able to:
Calculate mass of products from electrolysis - Determine volumes of gases evolved - Apply Faraday's laws to numerical problems - Solve basic electrolysis calculations |
In groups, learners are guided to:
Worked examples: Mass and volume calculations - Problems involving different ions - Practice with Faraday constant - Basic numerical problems |
Calculators, worked examples, practice problems, gas volume data, Faraday constant
|
KLB Secondary Chemistry Form 4, Pages 161-164
|
|
| 8 | 3-4 |
ELECTROCHEMISTRY
|
Electrolysis Calculations II
|
By the end of the
lesson, the learner
should be able to:
Determine charge on ions from electrolysis data - Calculate current-time relationships - Solve complex multi-step problems - Apply concepts to industrial situations |
In groups, learners are guided to:
Complex problems: Determine ionic charges - Current-time-mass relationships - Multi-step calculations - Industrial calculation examples |
Calculators, complex problem sets, industrial data, student books
|
KLB Secondary Chemistry Form 4, Pages 161-164
|
|
| 8 | 3-5 |
ELECTROCHEMISTRY
|
Electrolysis Calculations II
|
By the end of the
lesson, the learner
should be able to:
Determine charge on ions from electrolysis data - Calculate current-time relationships - Solve complex multi-step problems - Apply concepts to industrial situations |
In groups, learners are guided to:
Complex problems: Determine ionic charges - Current-time-mass relationships - Multi-step calculations - Industrial calculation examples |
Calculators, complex problem sets, industrial data, student books
|
KLB Secondary Chemistry Form 4, Pages 161-164
|
|
| 9 |
Midterm |
|||||||
| 10 | 1 |
ELECTROCHEMISTRY
|
Advanced Applications and Problem Solving
|
By the end of the
lesson, the learner
should be able to:
Solve examination-type electrochemistry problems - Apply all concepts in integrated problems - Analyze real-world electrochemical processes - Practice complex calculations |
In groups, learners are guided to:
Comprehensive problems combining redox, cells, and electrolysis - Past examination questions - Industrial case study analysis - Advanced problem-solving techniques |
Past papers, comprehensive problem sets, industrial case studies, calculators
|
KLB Secondary Chemistry Form 4, Pages 108-164
|
|
| 10 | 2 |
ELECTROCHEMISTRY
|
Advanced Applications and Problem Solving
|
By the end of the
lesson, the learner
should be able to:
Solve examination-type electrochemistry problems - Apply all concepts in integrated problems - Analyze real-world electrochemical processes - Practice complex calculations |
In groups, learners are guided to:
Comprehensive problems combining redox, cells, and electrolysis - Past examination questions - Industrial case study analysis - Advanced problem-solving techniques |
Past papers, comprehensive problem sets, industrial case studies, calculators
|
KLB Secondary Chemistry Form 4, Pages 108-164
|
|
| 10 | 3-4 |
ELECTROCHEMISTRY
|
Advanced Applications and Problem Solving
|
By the end of the
lesson, the learner
should be able to:
Solve examination-type electrochemistry problems - Apply all concepts in integrated problems - Analyze real-world electrochemical processes - Practice complex calculations |
In groups, learners are guided to:
Comprehensive problems combining redox, cells, and electrolysis - Past examination questions - Industrial case study analysis - Advanced problem-solving techniques |
Past papers, comprehensive problem sets, industrial case studies, calculators
|
KLB Secondary Chemistry Form 4, Pages 108-164
|
|
| 10 | 5 |
ELECTROCHEMISTRY
|
Advanced Applications and Problem Solving
|
By the end of the
lesson, the learner
should be able to:
Solve examination-type electrochemistry problems - Apply all concepts in integrated problems - Analyze real-world electrochemical processes - Practice complex calculations |
In groups, learners are guided to:
Comprehensive problems combining redox, cells, and electrolysis - Past examination questions - Industrial case study analysis - Advanced problem-solving techniques |
Past papers, comprehensive problem sets, industrial case studies, calculators
|
KLB Secondary Chemistry Form 4, Pages 108-164
|
|
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