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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 1-2 |
THE MOLE
|
Concentration of a solution.
Molarity of a solution. Preparation of molar solutions. |
By the end of the
lesson, the learner
should be able to:
Define concentration of a solution. Find concentration of a solution in grams/litre and moles/litre. Define molar solutions. Prepare molar solutions. |
Q/A: - Equivalent ratios, e.g. 4g dissolved in 500cm? and
8g in 1 litre. Worked examples on concentration of solutions. Q/A: - Description of preparation of molar solutions. |
chart
student book Volumetric flasks, teat droppers/wash bottle. Sodium hydrogen pellets. Weighing balance. |
K.L.B. BK III
PP. 46-48 Longhorn Book III PP 76-81 K.L.B. BK III PP. 50-51 Longhorn Book III PP 78-81 |
|
| 2 | 3 |
THE MOLE
|
Calculators on molar solutions.
Dilution of solutions. |
By the end of the
lesson, the learner
should be able to:
Solve numerical calculations on molar solutions. Problems on molar solutions. |
Worked examples.
Supervised exercise. Assignment. |
student book
|
K.L.B. BK III
P 51 Longhorn Book III PP 76-81 |
|
| 2 | 4 |
THE MOLE
|
Stoichiometry of a chemical reaction.
Stoichiometric equations. |
By the end of the
lesson, the learner
should be able to:
To determine mole ratio of given reactions. |
Group experiments: - Determine masses, hence moles of reacting CuSO4 solution and iron metal.
|
CuSO4 solution and iron metal.
student book |
K.L.B. BK III
P. 56 Longhorn Book III PP 87-92 |
|
| 2 | 5 |
THE MOLE
|
Stoichiometric equations of various reactions.
|
By the end of the
lesson, the learner
should be able to:
To investigate and determine Stoichiometric equations of various reactions. |
Class experiments.
Problem solving. |
student book
|
K.L.B. BK III
P. 62 |
|
| 3 | 1-2 |
Volumetric Analysis.
|
Apparatus used in titration experiments.
Titration process. |
By the end of the
lesson, the learner
should be able to:
To use and read a pipette and a burette. To define titration as a process. Define a titration end-point. |
Discussion and practical use of the apparatus.
Emphasis is laid on need to sterilize the apparatus after use. Review by Q/A: - -Indicators and colour changes. -Choice of indicators. -Balanced chemical equations. Discuss characteristics of a good titre, when an an-end point is attained. |
Pipettes
Burettes. Indicators Suitable acid and base. |
K.L.B. BK III
PP. 63-64 Longhorn Book III PP 104-8 K.L.B. BK III PP. 64-67 Longhorn Book III PP 108-114 |
|
| 3 | 3 |
Volumetric Analysis.
|
Titration experiment
(Neutralization reaction)
|
By the end of the
lesson, the learner
should be able to:
To carry out a titration experiment and obtain accurate results. |
Class experiments: - To neutralize HCl with NaOH solution.
Fill in a table of results. Find the average base used. |
student book
|
K.L.B. BK III
P. 66 Longhorn Book III PP 108-114 |
|
| 3 | 4 |
Volumetric Analysis.
|
Titration experiment
(Neutralization reaction)
Basicity of an acid. |
By the end of the
lesson, the learner
should be able to:
To carry out calculations from experimental results. |
Step-by-step calculations.
|
Calculators.
student book |
K.L.B. BK III
P 66 Longhorn Book III PP 108-114 |
|
| 3 | 5 |
Volumetric Analysis.
|
Standardization of HCl.
|
By the end of the
lesson, the learner
should be able to:
To define standardization of HCl. |
Class experiments.
|
Dilute HCl, Na2CO3 solutions.
|
K.L.B. BK III PP. 74-75 |
|
| 4 | 1-2 |
Volumetric Analysis.
|
Concentration of HCl.
Redox Titration Reactions. |
By the end of the
lesson, the learner
should be able to:
To calculate concentration of HCl from experimental results. To standardize a solution with an iron (II) salt. |
Calculations & supervised practice.
Experiment and calculations. |
Potassium Magnate (VII) |
K.L.B. BK III
PP. 74-75 K.L.B. BK III PP. 74-75 Longhorn Book III PP 114-115 |
|
| 4 | 3 |
Volumetric Analysis.
|
Water of crystallization.
Formula mass of ammonium iron (II) sulphate. |
By the end of the
lesson, the learner
should be able to:
To determine amount of water of crystallization in ammonium iron sulphate crystals. |
Teacher exposes the formula of water of crystallization.
Class experiment. Filling in a table of results. |
Ammonium
Iron (II) Sulphate crystals. Dilute sulphuric (VI) acid. student book |
K.L.B. BK III
P. 76 |
|
| 4 | 4 |
Volumetric Analysis.
|
Formula mass of a given salt.
|
By the end of the
lesson, the learner
should be able to:
To solve numerical problems involving water of crystallization. |
Problem solving from sample results.
|
student book
|
K.L.B. BK III
P.77 |
|
| 4 | 5 |
Volumetric Analysis.
|
Atomicity of gases.
Mass and volume of gases. |
By the end of the
lesson, the learner
should be able to:
To define atomicity of gases. |
Review by Q/A atoms and molecules; hence the definition.
Discuss a table of gases and their atomicity. |
student book
Lubricated syringes Oxygen/ CO2. |
K.L.B. BK III
PP. 78 -80 Longhorn BK III PP 126-128 |
|
| 5 | 1-2 |
Volumetric Analysis.
|
Molar gas volume.
Combining volumes of gases. Gay Lussac?s Law. |
By the end of the
lesson, the learner
should be able to:
To define molar gas volume. To state Gay Lussac?s Law. To compare Gay Lussac?s Law with Avogadro?s Law. To solve numericals using Gay Lussac?s Law. |
Use the above results to describe volume of one mole of a gas.
Discuss molar gas volume at R.T.P and S.T.P conditions. Teacher exposes the law; and compares it with Gay Lussac?s Law. Worked examples. Supervised practice. |
student book
|
K.L.B. BK III
79 ? 80 Longhorn Book III PP 126-127 K.L.B. BK III P. 85 Longhorn Book III PP 129-131 |
|
| 5 | 3 |
ORGANIC CHEMISTRY (I)
|
Hydrocarbons.
|
By the end of the
lesson, the learner
should be able to:
To define organic Chemistry. To define a hydrocarbon. To identify groups of hydrocarbons. To describe the carbon atom. |
Discuss composition of the carbon atom; hence deduce number of valence electrons.
Exposition of new terms. |
student book
|
K.L.B. BK III
P. 92 Longhorn Book III P 135 |
|
| 5 | 4 |
ORGANIC CHEMISTRY (I)
|
Alkanes.
|
By the end of the
lesson, the learner
should be able to:
To identify various alkanes. To list sources of alkanes. To state uses of different fractions of crude oil. To define cracking of alkanes. |
Expose various alkanes.
Discuss the biomass digester, fractional distillation of crude oil and uses of the fractions. Discuss the cracking process. |
Chart of biomass digester.
|
K.L.B. BK III
PP. 93-94 Longhorn Book III PP 135-6 |
|
| 5 | 5 |
ORGANIC CHEMISTRY (I)
|
Naming Alkanes.
Members of Alkane series. |
By the end of the
lesson, the learner
should be able to:
To identify various alkanes. To define a homologous series. |
Discussion and exposition of new concepts.
|
student book
Chart- structure of alkanes. |
K.L.B. BK III
PP. 94-98 Longhorn Book III PP 136-139 |
|
| 6 | 1-2 |
ORGANIC CHEMISTRY (I)
|
Isomerism in alkanes.
Laboratory preparation of a given alkane. Trend in physical properties of alkanes. |
By the end of the
lesson, the learner
should be able to:
To draw and name isomers of simple hydrocarbons. To describe laboratory preparation of a given alkane. To state physical properties of the gases prepared. |
Discussion and exposition of new concepts.
Teacher demonstration. Discussion. |
Models.
Sodium ethanoate, sodalime, Pestle and mortar. student book |
K.L.B. BK III
PP. 101-102 Longhorn Book III PP 141-2 K.L.B. BK III P. 103 Longhorn Book III PP 146 |
|
| 6 | 3 |
ORGANIC CHEMISTRY (I)
|
Chemical properties of alkanes.
Substitution reactions involving alkanes. Uses of alkanes. |
By the end of the
lesson, the learner
should be able to:
Describe chemical properties of alkanes. |
Discussion
Examples of balanced equations. |
student book
|
K.L.B. BK III
P. 107 Longhorn Book III PP 148-9 |
|
| 6 | 4 |
ORGANIC CHEMISTRY (I)
|
Alkenes.
Molecular formulae of alkenes.
|
By the end of the
lesson, the learner
should be able to:
To write molecular formulae of alkenes. |
Examine table of members of alkenes.
To identify members of alkene series. |
student book
|
K.L.B. BK III
PP 153-4 |
|
| 6 | 5 |
ORGANIC CHEMISTRY (I)
|
Naming alkenes.
Alkene isomerism. |
By the end of the
lesson, the learner
should be able to:
To name various alkenes. |
Q/Q: Nomenclature in alkenes.
Compare alkenes; hence deduce names of various alkenes. |
student book
|
K.L.B. BK III
PP. 110-113 Longhorn Book III PP 154-6 |
|
| 7 | 1-2 |
ORGANIC CHEMISTRY (I)
|
Preparing ethene in the lab.
Physical properties of ethene. Chemical properties of ethene. |
By the end of the
lesson, the learner
should be able to:
To describe lab preparation of ethene. To describe physical properties of ethene and other alkenes. |
Teacher demonstration: - Carry out tests on ethene as students note down the observations in a table.
To discuss physical properties of ethene and other alkenes. |
chart
student book charts |
K.L.B. BK III P 162 K.L.B. BK III PP. 116-117 Longhorn Book III PP 126-129 165-6 |
|
| 7 | 3 |
ORGANIC CHEMISTRY (I)
|
Alkenes and oxidizing agents.
Uses of alkenes & Topic review. |
By the end of the
lesson, the learner
should be able to:
To describe reactions of alkenes with oxidizing agents. |
Review the double bonds in alkenes.
Review reduction process, oxidizing agent. Discuss reactions of alkenes with conc. H2SO4, acidified potassium chromate. Expose hydrolysis process. |
charts
|
K.L.B. BK III PP. 120-121 Longhorn Book III PP 166-8 |
|
| 7 | 4 |
ORGANIC CHEMISTRY (I)
|
Alkynes.
Nomenclature.
|
By the end of the
lesson, the learner
should be able to:
To identify various alkynes. To name and draw structures of alkynes. |
Discuss a table of members of alkynes.
Review naming of alkanes and alkene and compare this with naming of alkynes. |
charts
|
K.L.B. BK III
P. 122-123 Longhorn Book III PP 126-129 171-5 |
|
| 7 | 4-5 |
ORGANIC CHEMISTRY (I)
|
Alkynes.
Nomenclature.
Isomerism in alkynes. |
By the end of the
lesson, the learner
should be able to:
To identify various alkynes. To name and draw structures of alkynes. |
Discuss a table of members of alkynes.
Review naming of alkanes and alkene and compare this with naming of alkynes. |
charts
|
K.L.B. BK III
P. 122-123 Longhorn Book III PP 126-129 171-5 |
|
| 8 |
Exams |
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| 9 |
Midterm Break |
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| 10 | 1-2 |
ORGANIC CHEMISTRY (I)
|
Physical properties of ethyne.
Chemical properties of ethyne. Tests for alkynes. Uses of alkynes. |
By the end of the
lesson, the learner
should be able to:
To list down physical properties of ethyne. To describe combustion, halogenation and hydrogenation processes. |
Teacher demonstration: Preparation of ethyne.
Deduce properties of other alkynes. Discussion and writing of equations. |
charts
|
K.L.B. BK III
PP. 125-126 Longhorn Book III PP 197-80 K.L.B. BK III PP. 127-129 Longhorn Book III PP 180-184 |
|
| 10 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Extraction of sulphur.
|
By the end of the
lesson, the learner
should be able to:
To describe extraction of sulphur by Frasch process. |
Illustrate and discuss extraction of sulphur. |
Chart-the Frasch process.
|
K.L.B. BK III
PP.180-181 Longhorn Book III PP 126-129 |
|
| 10 | 4 |
SULPHUR AND ITS COMPOUNDS
|
Allotropes of sulphur.
Physical properties of sulphur. Heating of sulphur. |
By the end of the
lesson, the learner
should be able to:
To identify allotropes of sulphur. To describe preparation of allotropes of sulphur. |
Discussion and exposition of new concepts.
|
video
charts |
K.L.B. BK III
PP. 182-183 Longhorn Book PP 126-129 |
|
| 10 | 5 |
SULPHUR AND ITS COMPOUNDS
|
Chemical properties of sulphur.
|
By the end of the
lesson, the learner
should be able to:
To investigate and describe chemical properties of sulphur. |
Group experiments.
Discuss observations. Write corresponding equations. |
charts
|
K.L.B.BK III
PP.188-190 Longhorn Book III PP 256-8 |
|
| 11 | 1-2 |
SULPHUR AND ITS COMPOUNDS
|
Uses of sulphur.
Sulphur dioxide.
Physical properties of sulphur dioxide. Acidic properties of SO2. |
By the end of the
lesson, the learner
should be able to:
State uses of sulphur. Describe lab. preparation of sulphur dioxide. To list down physical properties of sulphur dioxide. |
Teacher elucidates uses of sulphur.
Teacher demonstration:- Preparation of sulphur dioxide in a fume chamber/in the open. Carrying out tests on the gas. Discuss the above tests. |
charts
text book textbook |
K.L.B.BK III
PP 191- 192 Longhorn Book P 258 K.L.B.BK III PP 193 Longhorn Book III PP 262-3 |
|
| 11 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Reducing action of SO2.
|
By the end of the
lesson, the learner
should be able to:
To verify reducing action of SO2. |
Class experiments: make observations and draw conclusions.
Write balanced corresponding equations. |
Experimental worksheets.
|
K.L.B.BK III
P. 195 |
|
| 11 | 4 |
SULPHUR AND ITS COMPOUNDS
|
Bleaching properties of SO2.
|
By the end of the
lesson, the learner
should be able to:
To carry out experiments to determine bleaching properties of SO2. |
Discuss the observations made above.
Write corresponding equations. |
|
K.L.B .BK III
P. 194 Longhorn Book III PP 263-4 |
|
| 11 | 5 |
SULPHUR AND ITS COMPOUNDS
|
Oxidizing action of SO2.
|
By the end of the
lesson, the learner
should be able to:
To explain Oxidizing action of SO2. |
Q/A: review redox reactions.
Teacher demonstration: - Lowering magnesium into a jar of SO2; effect of SO2 on hydrogen sulphide. Discuss observations. Write equations for the reactions. |
Burning magnesium.
Hydrogen sulphide. |
K.L.B.
BK III PP. 198-199 Longhorn Book III PP 266-7 |
|
| 12 | 1-2 |
SULPHUR AND ITS COMPOUNDS
|
Sulphate and sulphite ions.
Uses of SO2.
Sulphuric acid. Contact process of manufacture. Properties of conc. H2SO4. |
By the end of the
lesson, the learner
should be able to:
To carry out tests for Sulphate and sulphite ions. State uses of SO2. To identify raw materials for manufacture of sulphuric acid. To describe the contact process. |
Class experiments.
Make deductions from the observations made. Write (ionic) equations for the reactions. Teacher elucidates uses of SO2. Discussion using schematic flow charts. Writing equations. |
Sodium sulphate
Barium chloride Barium nitrate. Chart-schematic Flow charts. charts |
K.L.B.
BK III P. 200 Longhorn Book III PP 268-9 K.L.B. BK III PP.201-203 Longhorn Book III PP 275-6 |
|
| 12 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Physical properties of sulphuric acid.
|
By the end of the
lesson, the learner
should be able to:
To dilute conc. sulphuric acid. State physical properties of sulphuric acid. |
Teacher demonstration ? diluting conc. sulphuric acid.
Discuss use of conc. sulphuric acid as a drying and dehydrating agent. |
Conc. sulphuric acid.
|
K.L.B.
BK III P. 205 Longhorn Book III PP 274-5 |
|
| 12 | 4 |
SULPHUR AND ITS COMPOUNDS
|
Chemical properties of Sulphuric acid.
|
By the end of the
lesson, the learner
should be able to:
To write equations to show that conc. sulphuric acid is a drying and dehydrating agent. To describe reactions of dilute H2SO4 with metals. |
Discussion and explanations.
Group expts. ? reaction of metals with dilute H2SO4, make observations and relevant deductions; writing corresponding equations. |
Magnesium, zinc, copper metals.
|
K.L.B.
BK III P. 206 Longhorn Book III PP 276-8 |
|
| 12 | 5 |
SULPHUR AND ITS COMPOUNDS
|
Dilute H2SO4, carbonates and hydrogen carbonates.
|
By the end of the
lesson, the learner
should be able to:
To describe reaction of dilute H2SO4 with carbonates and hydrogen carbonates. |
Discussion, writing relevant equations.
|
charts
|
K.L.B. BK III P. 208 |
|
| 13 | 1-2 |
SULPHUR AND ITS COMPOUNDS
|
Dilute H2SO4, and metal oxides and hydroxides.
Dilute H2SO4 and metal oxides & hydroxides. |
By the end of the
lesson, the learner
should be able to:
To investigate reaction of dilute H2SO4 with metal oxides and hydroxides. To explain reactions of dilute H2SO4 with metal oxides and hydroxides. |
Class expts.
Observing colour changes. Discussion, writing relevant chemical equations. |
Oxides of magnesium, zinc, copper.
NaOH Solution. charts |
K.L.B.
BK III P. 210 Longhorn Book III PP 287-8 K.L.B. BK III P. 211 |
|
| 13 | 3 |
SULPHUR AND ITS COMPOUNDS
|
Hydrogen sulphide.
Preparation of the gas.
Reaction of the gas with oxygen.
|
By the end of the
lesson, the learner
should be able to:
To describe preparation of hydrogen sulphide. To state properties of the gas. |
Theoretical / descriptive approach.
Writing corresponding equations. Discuss physical properties of the gas and reaction of the gas with oxygen. |
charts
|
K.L.B.
BK III P. 210 Longhorn Book III PP 289-90 |
|
| 13 | 4 |
SULPHUR AND ITS COMPOUNDS
|
Reaction of the gas with water.
Reducing properties of the gas.
|
By the end of the
lesson, the learner
should be able to:
To write equations for reaction of the gas with water. To demonstrate reducing properties of the gas. |
Writing chemical equations for the reactions.
|
charts
|
K.L.B.
BK III P. 212. Longhorn Book III PP 291-2 |
|
| 13 | 5 |
SULPHUR AND ITS COMPOUNDS
|
Sulphur and its effects on the environment.
|
By the end of the
lesson, the learner
should be able to:
To explain environmental pollution caused by sulphur and its compounds. |
Discussion and explanation.
|
charts
|
K.L.B.
BK III P. 214 Longhorn Book PP 293-5 |
|
| 14 |
Exams |
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