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Chemistry
Form 3 2025
TERM II
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1 1
ORGANIC CHEMISTRY (I)
Hydrocarbons.
Alkanes.
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
Chart of biomass digester.
K.L.B. BK III
P. 92
Longhorn
Book III
P 135
1 2
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
1 3-4
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
1 5
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
2 1
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
2 2
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
2 3-4
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 explain halogenation and hydrogenation reactions.
Teacher demonstration: - Carry out tests on ethene as students note down the observations in a table.

Discussion and drawing structures.
chart
student book
charts

K.L.B. BK III
P 162

KLB BK III
PP. 118-119
Longhorn
Book III
PP 166-8
2 5
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
3 1
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
3 2
ORGANIC CHEMISTRY (I)
Isomerism in alkynes.
By the end of the lesson, the learner should be able to: in
To draw structure showing positional and branching isomerism.
To list down physical properties of ethyne.
Discussion and drawing structures.
charts
K.L.B. BK III
PP. 124-125
Longhorn
Book III
PP 176-8
3 3-4
ORGANIC CHEMISTRY (I)
ORGANIC CHEMISTRY (I)
Volumetric Analysis.
Physical properties of ethyne.
Chemical properties of ethyne.
Tests for alkynes. Uses of alkynes.
Apparatus used in titration experiments.
By the end of the lesson, the learner should be able to:
To list down physical properties of ethyne.
To describe tests for alkynes and state uses of alkynes.
Teacher demonstration: Preparation of ethyne.
Deduce properties of other alkynes.
Discussion and explanations.

Assignment.
charts
charts
Pipettes
Burettes.
K.L.B. BK III
PP. 125-126
Longhorn
Book III
PP 197-80

K.L.B. BK III
P.130

Longhorn Book III
PP 180-84
3 5
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
4 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
4 2
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
4 3-4
Volumetric Analysis.
Standardization of HCl.
Concentration of HCl.
Redox Titration Reactions.
By the end of the lesson, the learner should be able to:
To define standardization of HCl.
To standardize a solution with an iron (II) salt.
Class experiments.
Experiment and calculations.
Dilute HCl, Na2CO3 solutions.
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 5
Volumetric Analysis.
Water of crystallization.
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.
K.L.B. BK III
P. 76
5 1
Volumetric Analysis.
Formula mass of ammonium iron (II) sulphate.
Formula mass of a given salt.
By the end of the lesson, the learner should be able to:
To find formula mass of ammonium iron (II) sulphate.
Calculations from experimental results.
student book
K.L.B. BK III
PP. 76 -77
5 2
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
5 3-4
Volumetric Analysis.
Mass and volume of gases.
Molar gas volume.
Combining volumes of gases.
By the end of the lesson, the learner should be able to:
To determine mass and volume of gases.
To compare combining volumes of two reacting gases.
Teacher demonstration: - Determining mass of known volumes of oxygen / CO2.

Teacher demonstration: - Determining volumes of reacting gases; hence deduce volume rations.
Lubricated syringes
Oxygen/
CO2.
student book
K.L.B. BK III
P. 81
Longhorn BK III
PP 126-127

K.L.B BK III
P. 82
5 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 1
NITROGEN & ITS COMPOUNDS.
Isolation of nitrogen from air.
Industrial production of nitrogen.
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.
charts
K.L.B. BK III
PP. 134-135

Longhorn Book
P 186
6 2
NITROGEN & ITS COMPOUNDS.
Lab. preparation of nitrogen.
Physical and chemical properties of nitrogen. Uses of nitrogen.
By the end of the lesson, the learner should be able to:
Describe lab preparation of nitrogen.
Teacher demonstration:
Students? record observations made from tests on the gas.
Writing equations of reactions.
Ammonium chloride, sodium nitrate
charts
K.L.B. BK III
P. 137

Longhorn
Book III
P 190-1
6 3
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
6 3-4
NITROGEN & ITS COMPOUNDS.
Nitrogen (I) oxide. Lab preparation.
Properties and uses of Nitrogen (I) oxide.
By the end of the lesson, the learner should be able to:
To describe Nitrogen (I) oxide.

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.
Teacher demonstration: -
Carry out tests on the gas.
Students record observations in a table.
Guided discussion.

Q/A: Deductions from tests carried out.
Discussion of chemical properties and writing of equations.

Teacher elucidates uses of nitrogen (1) oxide.
Ammonium nitrate.
charts
K.L.B. BK III
PP. 139-141

Longhorn
Book III
PP 195-6


K.L.B. BK III
P. 141
Longhorn
Book III
PP 191-2
6 5
NITROGEN & ITS COMPOUNDS.
Nitrogen (II) oxide. Lab preparation.
Properties of the gas.
By the end of the lesson, the learner should be able to:
To describe lab preparation of nitrogen (II) oxide.
Class experiment: Preparation and carrying out tests on the gas.
Observations recorded in a table.
Dil nitric acid, copper turnings.
charts
K.L.B. BK III
P. 142
Longhorn
Book III
PP 200-1
7

Mid term exams

8

Midterm break

9 1
NITROGEN & ITS COMPOUNDS.
Nitrogen (1V) oxide Lab preparation.
By the end of the lesson, the learner should be able to:
To describe nitrogen (IV) oxide lab preparation.
Teacher demonstration: - Preparation of the gas and corresponding equation.
Tests on the gas and make observations.
Conc. nitric acid, copper turnings.
K.L.B. BK III
PP. 144-145
9 2
NITROGEN & ITS COMPOUNDS.
Properties of Nitrogen (IV) oxide.
Ammonia. Lab preparation of ammonia.
By the end of the lesson, the learner should be able to:
To list down physical properties of nitrogen (IV) oxide
To describe chemical properties of nitrogen (IV) oxide
To state uses of nitrogen (1V) oxide.
Deduce physical properties from the table of observations.
To describe chemical properties from the table of observations.
Discuss uses of nitrogen (1V) oxide.




charts
Ca(OH)2, NH4Cl Solutions, CaO, litmus papers..M THREE CHEMISTRY TERM TWO 20....

K.L.B. BK III
PP. 144-147

Longhorn
Book III
P 204








9 3-4
NITROGEN & ITS COMPOUNDS.
Properties of ammonia.
Solubility of ammonia.
Reaction of ammonia with metal ions.
By the end of the lesson, the learner should be able to:
To list down physical properties of ammonia.
To prepare aqueous solution of ammonia.


To carry out tests of aqueous ammonia on metal ions.
Deduce physical properties from the observations above.
Discuss chemical properties from the observations above.
Write down chemical equations.

Teacher demonstration: - Preparation of aqueous solution of ammonia.

Class experiments: -
Students record observations when drops of aqueous ammonia are added, then in excess.
charts
2 cm Solutions containing various metal ions.

K.L.B. BK III
P. 150

K.L.B.
BK III
PP. 152-153
9 5
NITROGEN & ITS COMPOUNDS.
Ionic equations of above reactions.
By the end of the lesson, the learner should be able to:
To write iIonic equations of above reactions.
Discuss precipitation of metal hydroxides by aqueous ammonia.
Confirmatory tests for various concentrations.
charts
K.L.B. BK III
P.154

Longhorn BK III
P 223
10 1
NITROGEN & ITS COMPOUNDS.
Burning ammonia in the air.
Reaction of ammonia with copper (II) Oxide.
By the end of the lesson, the learner should be able to:
To describe burning ammonia in the air.
Teacher demonstration
Discussion
Chemical equations of reactions.
Conc. Ammonium solution
Hot platinum rod
Oxygen.
Granular CuCl2
Combustion tube,
Dry ammonia
U-tube
Gas jar.
K.L.B.
BK III
P. 158
Longhorn
Book III
PP 219
10 2
NITROGEN & ITS COMPOUNDS.
Haber process.
By the end of the lesson, the learner should be able to:
Identify raw materials for Haber process and how they are obtained in large scale.
Discuss the Haber process.
Represent Haber process in a schematic diagram.
Discussion and explanations.
Chart- schematic diagram.

K.L.B. BK III
PP. 159-160
225-226
10 3-4
NITROGEN & ITS COMPOUNDS.
Uses of ammonia.
Nitric acid. Lab preparation.
Nitric acid Industrial manufacture.
By the end of the lesson, the learner should be able to:
To list down uses of ammonia.
To list down nitrogenous fertilizers.
To describe industrial manufacture of nitric acid.
Teacher elucidates uses of ammonia and nitrogenous fertilizers.
Discussion and writing equations.
charts
Retort stand
Conc. H2SO4
KNO3
Chart
Schematic diagram.
K.L.B. BK III
P. 161

Longhorn
Book III
PP 126 -226

K.L.B. BK III
P. 164
10 5
NITROGEN & ITS COMPOUNDS.
Reaction of dilute Nitric acid with metals.
Nitric acid and carbonates.
By the end of the lesson, the learner should be able to:
To describe reaction of dilute nitric acid with metals.
To write equations of reactions of dilute nitric acid with metals.
Class experiment:- making observations and recording them in a table.
Discuss the observations.
Write down equations for the reactions.
Magnesium
Zinc
Copper
Solutions of
Na2CO3
NaHCO3
ZnCO3
CuCO3
K.L.B. BK III
PP. 165-166

Longhorn
Book III
PP 166-8
11 1
NITROGEN & ITS COMPOUNDS.
Reaction of dil. nitric acid with hydrogen carbonates.
By the end of the lesson, the learner should be able to:
Write equations for reaction of dil. nitric acid with hydrogen carbonates.
Discussion and corresponding equations.
K.L.B. BK III
P. 167
11 2
NITROGEN & ITS COMPOUNDS.
Dilute nitric acid and metal hydroxides and oxides.
By the end of the lesson, the learner should be able to:
Predict results of reacting dilute nitric acid with metal hydroxides and oxides.
Group experiments & writing equations for the reactions.
Metal hydroxides.
K.L.B. BK III
P. 168

Longhorn
Book III
PP 238-240
11 3-4
NITROGEN & ITS COMPOUNDS.
Reaction of nitric acid as an oxidizing agent.
Uses of nitric acid & nitrates.
Action of heat on nitrates.
By the end of the lesson, the learner should be able to:
Describe reactions of nitric acid as an oxidizing agent.
To write equations of decomposition of nitrates on heating.
Class experiments: -
Explain observations made.
Discuss above observations.
Write relevant equations.
Nitric acid acidified iron sulphate, sulphur, and copper metal.
charts
K.L.B. BK III
PP. 169-170

Longhorn Book III
PP 239 -240

K.L.B. BK III
P 172
11 5
NITROGEN & ITS COMPOUNDS.
Test for nitrates.
By the end of the lesson, the learner should be able to:
To carry out tests on nitrates.
Class experiments.
Make observations and deductions.
Discuss the brown ring test for nitrates.
charts
K.L.B. BK III
PP 173-174

Longhorn
Book III
PP 243
12 1
NITROGEN & ITS COMPOUNDS.
SULPHUR AND ITS COMPOUNDS
Nitrogen compounds and the environment.
Extraction of sulphur.
By the end of the lesson, the learner should be able to:
To explain the pollution of nitrogen compounds in the environment.
To state ways of reducing environmental pollution by nitrogen compounds.
Brief guided discussion.
charts
Chart-the Frasch process.
K.L.B.BK III
PP. 173-174

Longhorn
Book III
PP 244-6
12 2
SULPHUR AND ITS COMPOUNDS
Allotropes 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
K.L.B. BK III
PP. 182-183
Longhorn Book
PP 126-129
12 3-4
SULPHUR AND ITS COMPOUNDS
Physical properties of sulphur. Heating of sulphur.
Chemical properties of sulphur.
Uses of sulphur. Sulphur dioxide.
By the end of the lesson, the learner should be able to:
To list physical properties of sulphur.

To describe effects of heat on sulphur.
To investigate and describe chemical properties of sulphur.
Class experiment:
Solubility of sulphur in water, benzene, e.t.c,.
Class experiments:
Heating sulphur gently then strongly.
Discuss the observations.

Group experiments.
Discuss observations.
Write corresponding equations.
charts
K.L.B. BK III
P.184
Longhorn I
Book III
PP 253-255

K.L.B.BK III
PP.188-190
Longhorn
Book III
PP 256-8
12 5
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

End term examd


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