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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 2-3
ORGANIC CHEMISTRY (I)
Hydrocarbons.
Alkanes.
Naming 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.
To identify various alkanes.
To list sources of alkanes.
To state uses of different fractions of crude oil.
To define cracking of alkanes.
Discuss composition of the carbon atom; hence deduce number of valence electrons.
Exposition of new terms.
Expose various alkanes.
Discuss the biomass digester, fractional distillation of crude oil and uses of the fractions.
Discuss the cracking process.
student book
Chart of biomass digester.
student book
K.L.B. BK III
P. 92
Longhorn
Book III
P 135

K.L.B. BK III
PP. 93-94

Longhorn
Book III
PP 135-6
1 4
ORGANIC CHEMISTRY (I)
Members of Alkane series.
By the end of the lesson, the learner should be able to:
To name members of alkane series and identify their characteristics.
To draw the structures of alkane series.
Discussion and exposition of new concepts.
Chart- structure of alkanes.
K.L.B. BK III
PP. 97-99

Longhorn Book III
PP 137-9
1 5
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
2 1
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
2 2-3
ORGANIC CHEMISTRY (I)
Trend in physical properties of alkanes.
Chemical properties of alkanes.
Substitution reactions involving alkanes. Uses of alkanes.
By the end of the lesson, the learner should be able to:
To describe the trend in physical properties of alkanes.
Describe chemical properties of alkanes.
Study a table of comparative properties of alkanes.
Make deductions from the table.
Discussion
Examples of balanced equations.
student book
K.L.B. BK III
P. 105

Longhorn
Book III
PP 148-9

K.L.B. BK III
P. 107
Longhorn
Book III
PP 148-9
2 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
2 5
ORGANIC CHEMISTRY (I)
Naming alkenes.
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
3 1
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
3 2-3
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
3 4
ORGANIC CHEMISTRY (I)
Alkenes and oxidizing agents.
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 5
ORGANIC CHEMISTRY (I)
Uses of alkenes & Topic review.
By the end of the lesson, the learner should be able to:
To list down uses of alkenes.
Teacher elucidates uses of alkenes.

Assignment.
charts
K.L.B. BK III
P. 121 Longhorn Book
PP 170-1
4 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
4 2-3
ORGANIC CHEMISTRY (I)
Alkynes. Nomenclature.
Isomerism in alkynes.
Physical properties of ethyne.
By the end of the lesson, the learner should be able to:
To identify various alkynes.
To name and draw structures of alkynes.
To draw structure showing positional and branching isomerism.
Discuss a table of members of alkynes.
Review naming of alkanes and alkene and compare this with naming of alkynes.

Discussion and drawing structures.
charts
K.L.B. BK III
P. 122-123
Longhorn
Book III
PP 126-129 171-5

K.L.B. BK III
PP. 124-125
Longhorn
Book III
PP 176-8
4 4
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
4 5
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
5 1
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
5 2-3
NITROGEN & ITS COMPOUNDS.
Industrial production of nitrogen.
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 industrial production of nitrogen.
Describe lab preparation of nitrogen.
Discussion and description.
Drawing schematic diagram for the process.
Teacher demonstration:
Students? record observations made from tests on the gas.
Writing equations of reactions.
charts
Ammonium chloride, sodium nitrate
charts
K.L.B. BK III
PP.135-136

Longhorn Book
PP 188-9

K.L.B. BK III
P. 137

Longhorn
Book III
P 190-1
5 4
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
5 5
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 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
6 2-3
NITROGEN & ITS COMPOUNDS.
Nitrogen (II) oxide. Lab preparation.
Properties of the gas.
Nitrogen (1V) oxide Lab preparation.
By the end of the lesson, the learner should be able to:
To describe lab preparation of nitrogen (II) oxide.
To list down physical properties of nitrogen (II) oxide
To describe chemical properties of nitrogen (11) oxide
Class experiment: Preparation and carrying out tests on the gas.
Observations recorded in a table.

Q/A: Deductions from tests carried out.
Discussion of chemical properties and writing of equations.
Carry out a confirmatory test for the presence of the gas.
Dil nitric acid, copper turnings.
charts
Conc. nitric acid, copper turnings.
K.L.B. BK III
P. 142
Longhorn
Book III
PP 200-1

K.L.B.
BK III
P. 143

Longhorn
Book III
PP 192-200
6 4
NITROGEN & ITS COMPOUNDS.
Properties of Nitrogen (IV) oxide.
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

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

Longhorn
Book III
P 204








6 5
NITROGEN & ITS COMPOUNDS.
Ammonia. Lab preparation of ammonia.
By the end of the lesson, the learner should be able to:
To describe lab preparation of ammonia
Q/A: Structure of ammonia.
Group experiments: Preparation of ammonia.
Tests on the gas.
Ca(OH)2, NH4Cl Solutions, CaO, litmus papers..M THREE CHEMISTRY TERM TWO 20....
K.L.B. BK III
PP. 147-148
7 1
NITROGEN & ITS COMPOUNDS.
Properties of ammonia.
By the end of the lesson, the learner should be able to:
To list down physical properties of ammonia.
Deduce physical properties from the observations above.
Discuss chemical properties from the observations above.
Write down chemical equations.
charts

K.L.B. BK III
P. 150
7 2-3
NITROGEN & ITS COMPOUNDS.
Solubility of ammonia.
Reaction of ammonia with metal ions.
By the end of the lesson, the learner should be able to:
To describe an experiment to determine solubility of ammonia.
To prepare aqueous solution of ammonia.


To carry out tests of aqueous ammonia on metal ions.
Teacher demonstration.

Discussion.
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
7 4
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
7 5
NITROGEN & ITS COMPOUNDS.
Burning ammonia in the air.
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.
K.L.B.
BK III
P. 158
Longhorn
Book III
PP 219
8 1
NITROGEN & ITS COMPOUNDS.
Reaction of ammonia with copper (II) Oxide.
By the end of the lesson, the learner should be able to:
To name products formed when ammonia reacts with hot CuCl2 solid.
To explain reducing properties of ammonia.
Teacher demonstration and discussion.
Write down equations for the reactions.
Granular CuCl2
Combustion tube,
Dry ammonia
U-tube
Gas jar.

K.L.B.
BK III
P. 158
8 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
8-9

Midterm

9 3
NITROGEN & ITS COMPOUNDS.
Uses of ammonia.
Nitric acid. Lab preparation.
By the end of the lesson, the learner should be able to:
To list down uses of ammonia.
To list down nitrogenous fertilizers.
Teacher elucidates uses of ammonia and nitrogenous fertilizers.
charts
Retort stand
Conc. H2SO4
KNO3
K.L.B. BK III
P. 161

Longhorn
Book III
PP 126 -226
9 4
NITROGEN & ITS COMPOUNDS.
Nitric acid Industrial manufacture.
By the end of the lesson, the learner should be able to:
To describe industrial manufacture of nitric acid.
Discussion and writing equations.
Chart
Schematic diagram.
K.L.B. BK III
P. 164
9 5
NITROGEN & ITS COMPOUNDS.
Reaction of dilute Nitric acid with metals.
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
K.L.B. BK III
PP. 165-166

Longhorn
Book III
PP 166-8
10 1
NITROGEN & ITS COMPOUNDS.
Nitric acid and carbonates.
By the end of the lesson, the learner should be able to:
To describe action of nitric acid on carbonates and hydrogen carbonates.
Group experiments: - Action of Nitric acid on hydrogen carbonates.
Solutions of
Na2CO3
NaHCO3
ZnCO3
CuCO3
K.L.B. BK III
P. 167

Longhorn
Book III
229-30
10 2-3
NITROGEN & ITS COMPOUNDS.
Nitric acid and carbonates.
Reaction of dil. nitric acid with hydrogen carbonates.
Dilute nitric acid and metal hydroxides and oxides.
By the end of the lesson, the learner should be able to:
To describe action of nitric acid on carbonates and hydrogen carbonates.
Write equations for reaction of dil. nitric acid with hydrogen carbonates.
Group experiments: - Action of Nitric acid on hydrogen carbonates.
Discussion and corresponding equations.
Solutions of
Na2CO3
NaHCO3
ZnCO3
CuCO3
Metal hydroxides.
K.L.B. BK III
P. 167

Longhorn
Book III
229-30
10 4
NITROGEN & ITS COMPOUNDS.
Reaction of nitric acid as an oxidizing agent.
By the end of the lesson, the learner should be able to:
Describe reactions of nitric acid as an oxidizing agent.
Class experiments: -
Explain observations made.
Nitric acid acidified iron sulphate, sulphur, and copper metal.
K.L.B. BK III
PP. 169-170

Longhorn Book III
PP 239 -240
10 5
NITROGEN & ITS COMPOUNDS.
Reaction of nitric acid as an oxidizing agent.
By the end of the lesson, the learner should be able to:
Describe reactions of nitric acid as an oxidizing agent.
Class experiments: -
Explain observations made.
Nitric acid acidified iron sulphate, sulphur, and copper metal.
K.L.B. BK III
PP. 169-170

Longhorn Book III
PP 239 -240
11 1
NITROGEN & ITS COMPOUNDS.
Uses of nitric acid & nitrates.
By the end of the lesson, the learner should be able to:
To state uses of nitrates.
To describe preparation of nitrates.
Discussion
Equations for the reactions for preparation of nitrates.
charts
K.L.B. BK III
P. 171

Longhorn Book III
PP 240
11 2-3
NITROGEN & ITS COMPOUNDS.
Action of heat on nitrates.
Test for nitrates.
By the end of the lesson, the learner should be able to:
To write equations of decomposition of nitrates on heating.
To carry out tests on nitrates.
Discuss above observations.
Write relevant equations.

Class experiments.
Make observations and deductions.
Discuss the brown ring test for nitrates.
charts
K.L.B. BK III
P 172
K.L.B. BK III
PP 173-174

Longhorn
Book III
PP 243
11 4
NITROGEN & ITS COMPOUNDS.
Nitrogen compounds and the environment.
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
K.L.B.BK III
PP. 173-174

Longhorn
Book III
PP 244-6
11 5
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 1
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 2-3
SULPHUR AND ITS COMPOUNDS
Physical properties of sulphur. Heating of sulphur.
Chemical properties of sulphur.
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 4
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
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

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