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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 1 |
RATES OF REACTION & REVERSIBLE REACTIONS.
|
Le Chatelier?s Principle.
|
By the end of the
lesson, the learner
should be able to:
State Le Chatelier?s Principle. |
Investigate the effect of change of concentration of reactants on equilibrium.
Add 2M sodium hydroxide in steps to bromine water. Make and record observations. Discuss the results leading to Le Chatelier?s Principle. |
Add 2M sodium hydroxide,
|
K.L.B. BK IV
Pages 95-97 |
|
| 2 | 2-3 |
RATES OF REACTION & REVERSIBLE REACTIONS.
|
Effect of change of pressure and temperature on equilibrium shift.
The Haber Process. |
By the end of the
lesson, the learner
should be able to:
Explain the effect of change of pressure & te,perature on equilibrium shift. Explain the concept optimum conditions of a chemical equilibrium. Explain factors that change the position of equilibrium of the Harber process. |
Q/A: review kinetic theory of matter.
Q/A & discussion on effect of change of pressure / temperature on shifting of equilibrium; giving specific examples of chemical equations. Written assignment. Q/A and detailed discussion on change of pressure, temperature, concentration of ammonia and effect of presence of a suitable catalyst on the Haber process. |
student book
|
K.L.B. BK IV
Pages 97-101 K.L.B. BK IV Pages 102-103 |
|
| 2 | 4 |
RATES OF REACTION & REVERSIBLE REACTIONS.
|
The Contact Process.
|
By the end of the
lesson, the learner
should be able to:
Explain how change of temperature and pressure affect rate of manufacture of sulphur (VI) acid. |
Probing questions and brief discussion.
Assignment. |
student book
|
K.L.B. BK IV
Pages 103-104 |
|
| 2 | 5 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Alkanols (Alcohols).
|
By the end of the
lesson, the learner
should be able to:
Identify the functional group of alkanols. Explain formation of alkanol molecules. |
Q/A: review alkanes, alkenes and alkynes. Teacher exposes new concepts and links them with already known concepts. |
student book
|
K.L.B. BK IV
Page 205 |
|
| 3 | 1 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Nomenclature of alkanols.
|
By the end of the
lesson, the learner
should be able to:
Name and draw the structure of simple alkanols. |
Guided discovery of naming system for alkanols.
Draw and name structures of alkanols. |
student book
|
K.L.B. BK IV
Pages 206-8 |
|
| 3 | 2-3 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Nomenclature of alkanols.
Isomerism in alkanols. |
By the end of the
lesson, the learner
should be able to:
Name and draw the structure of simple alkanols. Describe positional and chain isomerism in alkanols. Explain formation of primary and secondary alkanols. |
Guided discovery of naming system for alkanols.
Draw and name structures of alkanols. Q/A: review the terms positional and chain isomerism. Brief discussion on isomerism. Oral exercise: naming given organic compounds. Written exercise: writing structural formulae for isomers of organic compounds of a given molecular formula. |
student book
|
K.L.B. BK IV
Pages 206-8 K.L.B. BK IV Pages 208-10 |
|
| 3 | 4 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Preparation of ethanol in the lab.
|
By the end of the
lesson, the learner
should be able to:
Describe preparation of ethanol in the laboratory. |
Group experiments / teacher demonstration.
Discuss the fermentation process. |
Calcium hydroxide solution, sugar solution, yeast.
|
K.L.B. BK IV
Pages 210-11 |
|
| 3 | 5 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Preparation of ethanol in the lab.
|
By the end of the
lesson, the learner
should be able to:
Describe preparation of ethanol in the laboratory. |
Group experiments / teacher demonstration.
Discuss the fermentation process. |
Calcium hydroxide solution, sugar solution, yeast.
|
K.L.B. BK IV
Pages 210-11 |
|
| 4 | 1 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Physical properties of alkanols.
|
By the end of the
lesson, the learner
should be able to:
Explain the physical properties of alkanols. |
Comparative evaluation of physical properties of alkanols.
Q/A & discussion on variation in physical properties of alkanols. |
student book
|
K.L.B. BK IV
Page 212 |
|
| 4 | 2-3 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Chemical properties of alkanols.
Esters and esterification. |
By the end of the
lesson, the learner
should be able to:
Describe some chemical reactions of alkanols. Explain formation of esters. Describe the esterification process. |
Group experiments/ teacher demonstration to investigate combustion of ethanol and its reaction with metals.
Write corresponding chemical equations. Teacher exposes and explains new concepts. Assignment. |
student book
|
K.L.B. BK IV
Pages 213-5 K.L.B. BK IV Pages 215-6 |
|
| 4 | 4 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Oxidation of ethanol.
Uses of alkanols.
|
By the end of the
lesson, the learner
should be able to:
Explain oxidation of ethanol by an oxidizing agent. State uses of alkanols. Explain the effects of alcohol on human health |
Q/A: review redox reactions, oxidizing and reducing agents.
Brief discussion: oxidation of ethanol using potassium (VII) manganate or potassium (VI) dichromate. Write corresponding chemical equations. Open discussion. |
student book
|
K.L.B. BK IV
Pages 216-8 |
|
| 4 | 5 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Oxidation of ethanol.
Uses of alkanols.
|
By the end of the
lesson, the learner
should be able to:
Explain oxidation of ethanol by an oxidizing agent. State uses of alkanols. Explain the effects of alcohol on human health |
Q/A: review redox reactions, oxidizing and reducing agents.
Brief discussion: oxidation of ethanol using potassium (VII) manganate or potassium (VI) dichromate. Write corresponding chemical equations. Open discussion. |
student book
|
K.L.B. BK IV
Pages 216-8 |
|
| 5 | 1 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Alkanoic (Carboxylic Acids).
|
By the end of the
lesson, the learner
should be able to:
Identify the functional group of alkanoic (carboxylic) acids. Explain formation of alkanoic acid molecule. |
Q/A: review functional group of alkanols.
Brief discussion. |
student book
|
K.L.B. BK IV
Page 219 |
|
| 5 | 2-3 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Nomenclature of alkanoic acids.
|
By the end of the
lesson, the learner
should be able to:
Name and draw the structure of simple alkanoic acids. |
Guided discovery of the naming system for alkanoic acids.
|
Chart: homologous series of alkanoic acids.
|
K.L.B. BK IV
Pages 219-221 |
|
| 5 | 4 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Lab preparation of ethanoic acid.
|
By the end of the
lesson, the learner
should be able to:
Describe laboratory preparation of ethanoic acid. |
Teacher demonstration: prepare ethanoic acid in the lab.
Brief discussion on preparation of ethanoic acid. |
Concentrated H2SO4, potassium manganate
(VII) Crystals, water bath. |
K.L.B. BK IV
Pages 221-223 |
|
| 5 | 5 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Lab preparation of ethanoic acid.
|
By the end of the
lesson, the learner
should be able to:
Describe laboratory preparation of ethanoic acid. |
Teacher demonstration: prepare ethanoic acid in the lab.
Brief discussion on preparation of ethanoic acid. |
Concentrated H2SO4, potassium manganate
(VII) Crystals, water bath. |
K.L.B. BK IV
Pages 221-223 |
|
| 6 | 1 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Physical properties of alkanoic acids.
|
By the end of the
lesson, the learner
should be able to:
Explain some physical properties of alkanoic acids. |
Compare physical properties of some alkanoic acids.
Discuss the difference in physical properties among alkanoic acids. |
student book
|
K.L.B. BK IV
Pages 223-4 |
|
| 6 | 2-3 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Physical properties of alkanoic acids.
Chemical properties of alkanoic acids. |
By the end of the
lesson, the learner
should be able to:
Explain some physical properties of alkanoic acids. Explain some chemical properties of alkanoic acids. |
Compare physical properties of some alkanoic acids.
Discuss the difference in physical properties among alkanoic acids. Group experiment: investigate some chemical properties of ethanoic acid. Carry out tests and record observations in a table. |
student book
Ethanoic acid, universal indicator, sodium carbonate, magnesium strip, ethanol, conc. H2SO4 and sodium hydroxide. |
K.L.B. BK IV
Pages 223-4 K.L.B. BK IV Pages 224-5 |
|
| 6 | 4 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Chemical properties &
Uses of alkanoic acids.
|
By the end of the
lesson, the learner
should be able to:
Write equations for chemical reactions involving acids. State uses of alkanoic acids. |
Review and discuss the observations above.
Write corresponding chemical equations. Teacher elucidates uses of alkanoic acids. |
student book
|
K.L.B. BK IV
Pages 225-7 |
|
| 6 | 5 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Soap preparation in the lab.
|
By the end of the
lesson, the learner
should be able to:
Describe soap preparation in the lab. |
Group experiments,
Answer questions based on the experiments already carried out. |
student book
|
K.L.B. BK IV
Pages 227-230 |
|
| 7 | 1 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Cleaning action of soap.
|
By the end of the
lesson, the learner
should be able to:
Describe the nature of a soap molecule. Explain the mode of action in cleaning. |
Expository and descriptive approaches.
Answer oral questions. |
student book
|
K.L.B. BK IV
Pages 230-232 |
|
| 7 | 2 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Effects of hard / soft water on soap.
|
By the end of the
lesson, the learner
should be able to:
Explain the effects of hard/ soft water on soap. |
Group experiments: form soap lather in different solutions.
Deduce the effects of hard/ soft water on soap. |
Distilled water, tap water, rainwater, sodium chloride solution.
Calcium nitrate, Zinc Sulphate, etc. |
K.L.B. BK IV
Pages 232-235 |
|
| 7-8 |
Midterm |
|||||||
| 8 | 3 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Soapless detergents.
|
By the end of the
lesson, the learner
should be able to:
Prepare soapless detergents in the lab. State merits of soapless detergents over soaps. |
Teacher demonsration.
Brief discussion. |
student book
|
K.L.B. BK IV
Pages 235-238 |
|
| 8 | 4 |
ORGANIC CHEMISTRY II
(ALKANES & ALKANOIC ACIDS)
|
Polymers and polymerization.
|
By the end of the
lesson, the learner
should be able to:
Explain the concepts additional and condensation polymerization as methods of making synthetic polymers. Identify some products of polymerization. State merits and demerits of synthetic polymers over natural materials. |
Teacher exposes and explains new concepts. Detailed discussion. Assignment. |
student book
|
K.L.B. BK IV
Pages 238-242 |
|
| 8 | 5 |
ELECTRO-CHEMISTRY.
|
Redox reactions.
|
By the end of the
lesson, the learner
should be able to:
Describe redox reactions in terms of gain / loss of electrons. Identify oxidizing / reducing agents involved in redox reactions. |
Q/A: review cations, anions and charges. Write down ionic half equations and identify reducing / oxidizing agents. |
student book
|
K.L.B. BK IV
Pages 108-9 |
|
| 9 | 1 |
ELECTRO-CHEMISTRY.
|
Oxidizing Numbers.
|
By the end of the
lesson, the learner
should be able to:
Outline rules of assigning oxidation numbers. Determine the oxidation numbers of an element in a given compound. Explain the use of oxidation numbers in naming compounds. |
Exposition and giving specific examples.
Work out oxidizing number of elements in given compounds. Copy and complete a table of compounds containing elements that more than one oxidation number. |
student book
|
K.L.B. BK IV
Pages 109-116 |
|
| 9 | 2-3 |
ELECTRO-CHEMISTRY.
|
Oxidizing Numbers.
Displacement reactions. |
By the end of the
lesson, the learner
should be able to:
Outline rules of assigning oxidation numbers. Determine the oxidation numbers of an element in a given compound. Explain the use of oxidation numbers in naming compounds. Explain change of oxidation numbers during redox / displacement reactions. Arrange elements in order of their reducing power. |
Exposition and giving specific examples.
Work out oxidizing number of elements in given compounds. Copy and complete a table of compounds containing elements that more than one oxidation number. Class standard experiments: reacting metals with solutions containing metal ions. Taking note of reactions and those that do not take place; and tabulating the results. |
student book
Metals: Ca, Na, Zn, Fe, Pb, and Cu. Solutions containing Ca2+, Mg2+, Zn2+, Fe2+. |
K.L.B. BK IV
Pages 109-116 K.L.B. BK IV Pages 116-120 |
|
| 9 | 4 |
ELECTRO-CHEMISTRY.
|
Displacement reactions.
|
By the end of the
lesson, the learner
should be able to:
Explain change of oxidation numbers during redox / displacement reactions. Arrange elements in order of their reducing power. |
Class standard experiments: reacting metals with solutions containing metal ions.
Taking note of reactions and those that do not take place; and tabulating the results. |
Metals: Ca, Na, Zn, Fe, Pb, and Cu.
Solutions containing Ca2+, Mg2+, Zn2+, Fe2+. |
K.L.B. BK IV
Pages 116-120 |
|
| 9 | 5 |
ELECTRO-CHEMISTRY.
|
The oxidizing power of an element.
|
By the end of the
lesson, the learner
should be able to:
Arrange elements in order of their oxidizing power. |
Teacher demonstration / group expts:
Adding halogens to solutions containing halide ions. Tabulate the results. Discuss the results and arrive at the oxidizing power series of halogens. |
Halogens:
Cl2 (g), Br2 (l), I2 (s). Halides: KCl, KBr, KI. |
K.L.B. BK IV
Pages 120-122 |
|
| 10 | 1 |
ELECTRO-CHEMISTRY.
|
Cell diagrams.
|
By the end of the
lesson, the learner
should be able to:
Define the terms electrode, potential and e.m.f. of an electrochemical cell. Describe components of a cell diagram. Draw cell diagrams using correct notations. |
Teacher demonstration: Zinc/ copper cell.
Q/A & discussion: changes in oxidation numbers. Exposition: cell diagram and deducing the direction of electron flow. |
Zinc/ copper cell.
|
K.L.B. BK IV
Pages 123-128 |
|
| 10 | 2-3 |
ELECTRO-CHEMISTRY.
|
Standard Electrode Potentials.
Standard electrode potential series. |
By the end of the
lesson, the learner
should be able to:
Identify standard conditions for measuring electrode potentials. Define the term standard electrode potential of a cell. Write half reactions of electrochemical cells. Recall the order of standard electrode potentials. Compare oxidizing and reducing powers of substances. |
Descriptive and expository approaches: teacher exposes new concepts.
Q/A: review reactivity series, oxidizing agent, reducing agent. Exposition: the order of standard electrode potentials. Discussion: oxidizing and reducing powers of substances. |
student book
|
K.L.B. BK IV
Pages 129-131 K.L.B. BK IV Pages 131-133 |
|
| 10 | 4 |
ELECTRO-CHEMISTRY.
|
Standard electrode potential series.
|
By the end of the
lesson, the learner
should be able to:
Recall the order of standard electrode potentials. Compare oxidizing and reducing powers of substances. |
Q/A: review reactivity series, oxidizing agent, reducing agent.
Exposition: the order of standard electrode potentials. Discussion: oxidizing and reducing powers of substances. |
student book
|
K.L.B. BK IV
Pages 131-133 |
|
| 10 | 5 |
ELECTRO-CHEMISTRY.
|
Emf of a cell.
|
By the end of the
lesson, the learner
should be able to:
Calculate emf of a cell using standard electrodes potentials. |
Q/A: review half-cells.
Worked examples; supervised practice. Assignment. |
student book
|
K.L.B. BK IV
Pages 133-136 |
|
| 11 | 1 |
ELECTRO-CHEMISTRY.
|
Possibility of a reaction to take place.
|
By the end of the
lesson, the learner
should be able to:
Predict whether a reaction will take place or not using standard electrode potentials. |
Worked examples.
Oral exercise. Assignment. |
student book
|
K.L.B. BK IV
Pages 136-137 |
|
| 11 | 2-3 |
ELECTRO-CHEMISTRY.
|
Primary and secondary chemical cells.
Electrolysis of dilute NaCl. |
By the end of the
lesson, the learner
should be able to:
Describe the functioning of primary and secondary chemical cells. Define the term electrolysis. Explain the concept of preferential discharge of ions. |
Exposition of new concepts and brief discussion
Assignment. Teacher demonstration: electrolysis of dilute sodium chloride with carbon electrodes. Test for gases collected. Write down equations of reactions at each electrode. Discussion: preferential discharge of ions at electrodes. |
student book
Dilute sodium chloride voltameter. |
K.L.B. BK IV
Pages 138-141 K.L.B. BK IV Pages 141-144 |
|
| 11 | 4 |
ELECTRO-CHEMISTRY.
|
Electrolysis of dilute NaCl.
|
By the end of the
lesson, the learner
should be able to:
Define the term electrolysis. Explain the concept of preferential discharge of ions. |
Teacher demonstration: electrolysis of dilute sodium chloride with carbon electrodes.
Test for gases collected. Write down equations of reactions at each electrode. Discussion: preferential discharge of ions at electrodes. |
Dilute sodium chloride voltameter.
|
K.L.B. BK IV
Pages 141-144 |
|
| 11 | 5 |
ELECTRO-CHEMISTRY.
|
Electrolysis of dilute NaCl.
|
By the end of the
lesson, the learner
should be able to:
Define the term electrolysis. Explain the concept of preferential discharge of ions. |
Teacher demonstration: electrolysis of dilute sodium chloride with carbon electrodes.
Test for gases collected. Write down equations of reactions at each electrode. Discussion: preferential discharge of ions at electrodes. |
Dilute sodium chloride voltameter.
|
K.L.B. BK IV
Pages 141-144 |
|
| 12 | 1 |
ELECTRO-CHEMISTRY.
|
Electrolysis of brine.
|
By the end of the
lesson, the learner
should be able to:
Identify products of electrolysis of brine. |
Teacher demonstration/ group experiments.
Test for the products of electrolysis. Write relevant equations. |
Brine voltameter.
|
K.L.B. BK IV
Pages 144-146 |
|
| 12 | 2-3 |
ELECTRO-CHEMISTRY.
|
Electrolysis of dilute sulphuric (VI) acid.
Factors affecting electrolysis. |
By the end of the
lesson, the learner
should be able to:
Identify products of electrolysis of dilute sulphuric (VI) acid. Explain factors that affect electrolytic products discharged at electrodes. |
Teacher demonstration/ group experiments.
Test for the products of electrolysis. Write relevant equations. Q/A: review the electrochemical series of elements. Teacher writes down order of ease of discharge of ions at electrodes. Discussion: other factors; giving suitable examples. |
Sulphuric acid voltameter.
student book |
K.L.B. BK IV
Pages 146-148 K.L.B. BK IV Pages 153-5 |
|
| 12 | 4 |
ELECTRO-CHEMISTRY.
|
Application of electrolysis.
|
By the end of the
lesson, the learner
should be able to:
Describe some applications of electrolysis. |
Probing questions and brief discussion on applications of electrolysis.
Practical assignment on electrolysis: electroplating an iron nail with a suitable metal. |
Suitable voltameter.
|
K.L.B. BK IV
Pages 155-7 |
|
| 12 | 5 |
ELECTRO-CHEMISTRY.
|
Faraday?s law of electrolysis.
|
By the end of the
lesson, the learner
should be able to:
State Faraday?s law of electrolysis. Solve problems related to Faraday?s law of electrolysis. |
Discuss above results, leading to Faraday?s law of electrolysis.
Worked examples. Assignment. |
Weighing balance, stop watch, copper sulphate voltameter.
|
K.L.B. BK IV
Pages 161-4 |
|
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