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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1

Reporting and revision

2 1
GAS LAWS
Diffusion.
By the end of the lesson, the learner should be able to:

Define diffusion.
Describe experiments to show diffusion.


Group experiments.
Diffusion of KMnO4 crystals, concentrated ammonia solution.


KMnO4 crystals,
Litmus papers.

K.L.B. BK III
PP. 14-15

Longhorn Book III P 19
2 2
GAS LAWS
Rates of diffusion.
By the end of the lesson, the learner should be able to:
Compare rates of diffusion of ammonia gas and hydrogen chloride in air.
Teacher demonstration: - To deduce rate of diffusion of ammonia gas and hydrogen chloride.
Q/A: - Students calculate ratio of rates of diffusion of the gases.
student book
K.L.B.
BK III
PP. 18-19
Longhorn Book III 21
2 3
GAS LAWS
Graham?s Law.
By the end of the lesson, the learner should be able to:
Carry out numerical tasks.
Solve problems involving RMM, equal volumes of the gases involved.
Supervised practice.
Assignment.
Calculators
K.L.B. BK III
PP. 24-26

Longhorn Book III PP 22-24
2 4-5
THE MOLE
Mole, molar mass and R.A.M.
Relative molecular mass & Relative formula mass.
By the end of the lesson, the learner should be able to:
Define the term mole as a quantity of measurement.
Relate the mole to R.A.M and molar mass.
Define relative molecular mass.
Calculate RMM of a compound.
Discuss various analogies that lead to the definition of the mole.
Expose the meaning of R.A.M., Avogadro?s constant and molar mass.
Q/A: - Review formulae of compounds.
Complete a table of compounds and their molecular / formula mass.
Chart- table of molar masses of elements.
Calculators.
K.L.B. BK III
PP. 27-31
Longhorn
Book III
PP 34-35

K.L.B.BK III
PP. 34-35

Longhorn Book III PP 44-60
2 6
THE MOLE
Relative molecular mass & Relative formula mass.
By the end of the lesson, the learner should be able to:
Define relative molecular mass.
Calculate RMM of a compound.
Q/A: - Review formulae of compounds.
Complete a table of compounds and their molecular / formula mass.
Calculators.
K.L.B.BK III
PP. 34-35

Longhorn Book III PP 44-60
3 1
THE MOLE
Moles and Avogadro?s number.
By the end of the lesson, the learner should be able to:
Calculate number of particles in a given number of moles.
Review standard form of numbers.
Worked examples.
Supervised exercise.

Calculators.
K.L.B.BK III
PP. 3132
Longhorn
Book III
PP 30-31
3 2
THE MOLE
Moles and Avogadro?s number.
By the end of the lesson, the learner should be able to:
Calculate number of particles in a given number of moles.
Review standard form of numbers.
Worked examples.
Supervised exercise.

Calculators.
K.L.B.BK III
PP. 3132
Longhorn
Book III
PP 30-31
3 3
THE MOLE
Empirical Formula.
By the end of the lesson, the learner should be able to:
Determine empirical formula of a compound given percentage composition by mass.
Worked examples.
Supervised practice.

Assignment.
student book
K.L.B.
BK III P. 43

Longhorn Book III PP 66-71
3 4-5
THE MOLE
Concentration 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
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
3 6
THE MOLE
Dilution of solutions.
By the end of the lesson, the learner should be able to:
Calculate molarity of a solution after dilution.
Group experiments.
Calculations.
student book
K.L.B. BK III
PP. 76-81
4

MODULE 2 EXAMINATION

4 6
Volumetric Analysis.
Titration process.
By the end of the lesson, the learner should be able to:
To define titration as a process.
Define a titration end-point.
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.
Indicators
Suitable acid and base.
K.L.B.
BK III
PP. 64-67

Longhorn
Book III
PP 108-114
5 1
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
5 2
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
5 3
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
5 4-5
Volumetric Analysis.
Redox Titration Reactions.
By the end of the lesson, the learner should be able to:
To standardize a solution with an iron (II) salt.
Experiment and calculations.
Potassium Magnate
(VII)
K.L.B. BK III
PP. 74-75

Longhorn
Book III
PP 114-115
5 6
Volumetric Analysis.
Atomicity 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
K.L.B. BK III
PP. 78 -80
Longhorn BK III PP 126-128
6 1
Volumetric Analysis.
Molar gas volume.
By the end of the lesson, the learner should be able to:
To define molar gas volume.
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.
student book
K.L.B. BK III
79 ? 80
Longhorn
Book III
PP 126-127
6 2
Volumetric Analysis.
Combining volumes of gases.
By the end of the lesson, the learner should be able to:
To compare combining volumes of two reacting gases.
Teacher demonstration: - Determining volumes of reacting gases; hence deduce volume rations.
student book
K.L.B BK III
P. 82
6 3
Volumetric Analysis.
Combining volumes of gases.
By the end of the lesson, the learner should be able to:
To compare combining volumes of two reacting gases.
Teacher demonstration: - Determining volumes of reacting gases; hence deduce volume rations.
student book
K.L.B BK III
P. 82
6 4-5
Volumetric Analysis.
Gay Lussac?s Law.
By the end of the lesson, the learner should be able to:
To state Gay Lussac?s Law.
To compare Gay Lussac?s Law with Avogadro?s Law.
To solve numericals using Gay Lussac?s Law.
Teacher exposes the law; and compares it with Gay Lussac?s Law.
Worked examples.
Supervised practice.
student book
K.L.B. BK III
P. 85

Longhorn
Book III
PP 129-131
6 6
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
7 1
ORGANIC CHEMISTRY (I)
Naming Alkanes.
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
K.L.B. BK III
PP. 94-98
Longhorn
Book III
PP 136-139
7 2
ORGANIC CHEMISTRY (I)
Isomerism in alkanes.
By the end of the lesson, the learner should be able to:
To draw and name isomers of simple hydrocarbons.
Discussion and exposition of new concepts.
Models.
K.L.B. BK III
PP. 101-102 Longhorn Book III
PP 141-2
7 3
ORGANIC CHEMISTRY (I)
Laboratory preparation of a given alkane.
By the end of the lesson, the learner should be able to:
To describe laboratory preparation of a given alkane.
To state physical properties of the gases prepared.
Teacher demonstration.
Discussion.
Sodium ethanoate, sodalime,
Pestle and mortar.
K.L.B. BK III
P. 103

Longhorn
Book III
PP 146
7 4-5
ORGANIC CHEMISTRY (I)
Alkenes. Molecular formulae of alkenes.
Naming alkenes.
By the end of the lesson, the learner should be able to:
To write molecular formulae of alkenes.
To name various alkenes.
Examine table of members of alkenes.
To identify members of alkene series.
Q/Q: Nomenclature in alkenes.
Compare alkenes; hence deduce names of various alkenes.
student book
K.L.B. BK III
PP 153-4
K.L.B. BK III
PP. 110-113
Longhorn
Book III
PP 154-6
7 6
ORGANIC CHEMISTRY (I)
Alkene isomerism.
By the end of the lesson, the learner should be able to:
Differentiate between branching and positional isomerism.
Discussion and drawing of molecular structures.
student book
K.L.B. BK III
P. 113
Longhorn
Book III
PP 158-60
8 1
ORGANIC CHEMISTRY (I)
Preparing ethene in the lab.
By the end of the lesson, the learner should be able to:
To describe lab preparation of ethene.
Teacher demonstration: - Carry out tests on ethene as students note down the observations in a table.
chart

K.L.B. BK III
P 162
8 2
ORGANIC CHEMISTRY (I)
Physical properties of ethene.
By the end of the lesson, the learner should be able to:
To describe physical properties of ethene and other alkenes.
To discuss physical properties of ethene and other alkenes.

student book
K.L.B. BK III
PP. 116-117
Longhorn Book III
PP 126-129
165-6
8 3
ORGANIC CHEMISTRY (I)
Chemical properties of ethene.
By the end of the lesson, the learner should be able to:
To explain halogenation and hydrogenation reactions.
Discussion and drawing structures.
charts

KLB BK III
PP. 118-119
Longhorn
Book III
PP 166-8
8 4-5
ORGANIC CHEMISTRY (I)
Chemical properties of ethene.
Uses of alkenes & Topic review.
By the end of the lesson, the learner should be able to:
To explain halogenation and hydrogenation reactions.

To list down uses of alkenes.
Discussion and drawing structures.
Teacher elucidates uses of alkenes.

Assignment.
charts

KLB BK III
PP. 118-119
Longhorn
Book III
PP 166-8

K.L.B. BK III
P. 121 Longhorn Book
PP 170-1
8 6
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
9 1
ORGANIC CHEMISTRY (I)
Isomerism in alkynes.
By the end of the lesson, the learner should be able to:
To draw structure showing positional and branching isomerism.
Discussion and drawing structures.
charts
K.L.B. BK III
PP. 124-125
Longhorn
Book III
PP 176-8
9 2
ORGANIC CHEMISTRY (I)
Isomerism in alkynes.
By the end of the lesson, the learner should be able to:
To draw structure showing positional and branching isomerism.
Discussion and drawing structures.
charts
K.L.B. BK III
PP. 124-125
Longhorn
Book III
PP 176-8
9 3
ORGANIC CHEMISTRY (I)
Physical properties of ethyne.
By the end of the lesson, the learner should be able to:
To list down physical properties of ethyne.
Teacher demonstration: Preparation of ethyne.
Deduce properties of other alkynes.
charts
K.L.B. BK III
PP. 125-126
Longhorn
Book III
PP 197-80
9-10

HALF TERM BREAK

10

MODULE 3 EXAMINATION

11 1
ORGANIC CHEMISTRY (I)
Chemical properties of ethyne.
By the end of the lesson, the learner should be able to:
To describe combustion, halogenation and hydrogenation processes.
Discussion and writing of equations.
charts
K.L.B. BK III
PP. 127-129
Longhorn Book III
PP 180-184
11 2
ORGANIC CHEMISTRY (I)
Tests for alkynes. Uses of alkynes.
By the end of the lesson, the learner should be able to:
To describe tests for alkynes and state uses of alkynes.
Discussion and explanations.

Assignment.
charts
K.L.B. BK III
P.130

Longhorn Book III
PP 180-84
11 3
NITROGEN & ITS COMPOUNDS.
Isolation of nitrogen from air.
By the end of the lesson, the learner should be able to:



Describe isolation of nitrogen from air.



Teacher demonstration, explanations and equations.
Aspirator, copper turnings, gas jar, combustion tube, trogh.
K.L.B. BK III
PP. 134-135

Longhorn Book
P 186
11 4-5
NITROGEN & ITS COMPOUNDS.
Lab. preparation of nitrogen.
Nitrogen (I) oxide. Lab preparation.
By the end of the lesson, the learner should be able to:
Describe lab preparation of nitrogen.
To describe Nitrogen (I) oxide.
Teacher demonstration:
Students? record observations made from tests on the gas.
Writing equations of reactions.
Teacher demonstration: -
Carry out tests on the gas.
Students record observations in a table.
Guided discussion.
Ammonium chloride, sodium nitrate
Ammonium nitrate.
K.L.B. BK III
P. 137

Longhorn
Book III
P 190-1

K.L.B. BK III
PP. 139-141

Longhorn
Book III
PP 195-6
11 6
NITROGEN & ITS COMPOUNDS.
Nitrogen (I) oxide. Lab preparation.
By the end of the lesson, the learner should be able to:
To describe Nitrogen (I) oxide.
Teacher demonstration: -
Carry out tests on the gas.
Students record observations in a table.
Guided discussion.
Ammonium nitrate.
K.L.B. BK III
PP. 139-141

Longhorn
Book III
PP 195-6
12 1
NITROGEN & ITS COMPOUNDS.
Properties and uses of Nitrogen (I) oxide.
By the end of the lesson, the learner should be able to:
To list down physical properties of nitrogen (I) oxide.
To describe chemical properties of nitrogen (I) oxide.
To list down uses of nitrogen (I) oxide.
Q/A: Deductions from tests carried out.
Discussion of chemical properties and writing of equations.

Teacher elucidates uses of nitrogen (1) oxide.
charts

K.L.B. BK III
P. 141
Longhorn
Book III
PP 191-2
12 2
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
12 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
12 4-5
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.
To list physical properties of sulphur.

To describe effects of heat on sulphur.
Discussion and exposition of new concepts.
Class experiment:
Solubility of sulphur in water, benzene, e.t.c,.
Class experiments:
Heating sulphur gently then strongly.
Discuss the observations.
video
charts
K.L.B. BK III
PP. 182-183
Longhorn Book
PP 126-129

K.L.B. BK III
P.184
Longhorn I
Book III
PP 253-255
12 6
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
13 1
SULPHUR AND ITS COMPOUNDS
Uses of sulphur. Sulphur dioxide.
By the end of the lesson, the learner should be able to:
State uses of sulphur.
Describe lab. preparation 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.
charts
K.L.B.BK III
PP 191- 192
Longhorn Book
P 258
13 2
SULPHUR AND ITS COMPOUNDS
Uses of sulphur. Sulphur dioxide.
By the end of the lesson, the learner should be able to:
State uses of sulphur.
Describe lab. preparation 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.
charts
K.L.B.BK III
PP 191- 192
Longhorn Book
P 258
13 3
SULPHUR AND ITS COMPOUNDS
Physical properties of sulphur dioxide.
By the end of the lesson, the learner should be able to:
To list down physical properties of sulphur dioxide.
Discuss the above tests.
text book
K.L.B.BK III
PP 193
Longhorn
Book III
PP 262-3
13

MODULE 1 EXAMINATION-TERM III

14

CLOSURE


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