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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.
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
1 2
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
1 3-4
ORGANIC CHEMISTRY (I)
Naming Alkanes.
Members of Alkane series.
Isomerism in alkanes.
By the end of the lesson, the learner should be able to:
To identify various alkanes.
To define a homologous series.
To draw and name isomers of simple hydrocarbons.
Discussion and exposition of new concepts.
student book
Chart- structure of alkanes.
Models.
K.L.B. BK III
PP. 94-98
Longhorn
Book III
PP 136-139

K.L.B. BK III
PP. 101-102 Longhorn Book III
PP 141-2
1 5
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 1
ORGANIC CHEMISTRY (I)
Trend in physical properties of alkanes.
By the end of the lesson, the learner should be able to:
To describe the trend in physical properties of alkanes.
Study a table of comparative properties of alkanes.
Make deductions from the table.
student book
K.L.B. BK III
P. 105

Longhorn
Book III
PP 148-9
2 2
ORGANIC CHEMISTRY (I)
Chemical properties 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 3-4
ORGANIC CHEMISTRY (I)
Substitution reactions involving alkanes. Uses of alkanes.
Alkenes. Molecular formulae of alkenes.
Naming alkenes.
By the end of the lesson, the learner should be able to:
To describe substitution reactions involving alkanes.

To list down uses of alkanes.
To name various alkenes.
Discussion


Teacher elucidates uses of alkanes.

Q/Q: Nomenclature in alkenes.
Compare alkenes; hence deduce names of various alkenes.
student book
K.L.B. BK III
P. 108

Longhorn
Book III
PP 149-50

K.L.B. BK III
PP. 110-113
Longhorn
Book III
PP 154-6
2 5
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 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
3 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
3 3-4
ORGANIC CHEMISTRY (I)
Chemical properties of ethene.
Alkenes and oxidizing agents.
Uses of alkenes & Topic review.
By the end of the lesson, the learner should be able to:
To explain halogenation and hydrogenation reactions.

To describe reactions of alkenes with oxidizing agents.
Discussion and drawing structures.
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

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


K.L.B. BK III
PP. 120-121


Longhorn
Book III
PP 166-8
3 5
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 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
4 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
4 3-4
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
4 5
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 1
NITROGEN & ITS COMPOUNDS.
Industrial production of nitrogen.
By the end of the lesson, the learner should be able to:
Describe industrial production of nitrogen.
Discussion and description.
Drawing schematic diagram for the process.
charts
K.L.B. BK III
PP.135-136

Longhorn Book
PP 188-9
5 2
NITROGEN & ITS COMPOUNDS.
Lab. preparation 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
K.L.B. BK III
P. 137

Longhorn
Book III
P 190-1
5 3-4
NITROGEN & ITS COMPOUNDS.
Physical and chemical properties of nitrogen. Uses of nitrogen.
Nitrogen (I) oxide. Lab preparation.
By the end of the lesson, the learner should be able to:
State physical and chemical properties of nitrogen.


List down uses of nitrogen.


To describe Nitrogen (I) oxide.
Discussion and writing equations.
Teacher demonstration: -
Carry out tests on the gas.
Students record observations in a table.
Guided discussion.
charts
Ammonium nitrate.
K.L.B. BK III
P. 138

Longhorn
Book III
PP 191-2

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

Longhorn
Book III
PP 195-6
5 5
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 1
NITROGEN & ITS COMPOUNDS.
Nitrogen (II) oxide. Lab preparation.
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.
K.L.B. BK III
P. 142
Longhorn
Book III
PP 200-1
6 2
NITROGEN & ITS COMPOUNDS.
Properties of the gas.
By the end of the lesson, the learner should be able to:
To list down physical properties of nitrogen (II) oxide
To describe chemical properties of nitrogen (11) oxide
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.
charts
K.L.B.
BK III
P. 143

Longhorn
Book III
PP 192-200
6 3-4
NITROGEN & ITS COMPOUNDS.
Nitrogen (1V) oxide Lab preparation.
Properties of Nitrogen (IV) oxide.
By the end of the lesson, the learner should be able to:
To describe nitrogen (IV) oxide lab preparation.
To list down physical properties of nitrogen (IV) oxide
To describe chemical properties of nitrogen (IV) oxide
To state uses of nitrogen (1V) oxide.
Teacher demonstration: - Preparation of the gas and corresponding equation.
Tests on the gas and make observations.

Deduce physical properties from the table of observations.
To describe chemical properties from the table of observations.
Discuss uses of nitrogen (1V) oxide.




Conc. nitric acid, copper turnings.
charts
K.L.B. BK III
PP. 144-145


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

Longhorn
Book III
P 204








6 5
NITROGEN & ITS COMPOUNDS.
Ammonia. Lab preparation of ammonia.
Properties 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....
charts
K.L.B. BK III
PP. 147-148
7 1
NITROGEN & ITS COMPOUNDS.
Solubility of ammonia.
By the end of the lesson, the learner should be able to:
To describe an experiment to determine solubility of ammonia.
Teacher demonstration.

Discussion.
charts
K.L.B. BK III
P. 150
7 2
NITROGEN & ITS COMPOUNDS.
Reaction of ammonia with metal ions.
By the end of the lesson, the learner should be able to:
To prepare aqueous solution of ammonia.


To carry out tests of aqueous ammonia on metal ions.
Teacher demonstration: - Preparation of aqueous solution of ammonia.

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

K.L.B.
BK III
PP. 152-153
7 3-4
NITROGEN & ITS COMPOUNDS.
Reaction of ammonia with metal ions.
Ionic equations of above reactions.
By the end of the lesson, the learner should be able to:
To prepare aqueous solution of ammonia.


To carry out tests of aqueous ammonia on metal ions.
To write iIonic equations of above reactions.
Teacher demonstration: - Preparation of aqueous solution of ammonia.

Class experiments: -
Students record observations when drops of aqueous ammonia are added, then in excess.
Discuss precipitation of metal hydroxides by aqueous ammonia.
Confirmatory tests for various concentrations.
2 cm Solutions containing various metal ions.
charts

K.L.B.
BK III
PP. 152-153

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.
Haber process.
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.
Chart- schematic diagram.

K.L.B.
BK III
P. 158
8 2
NITROGEN & ITS COMPOUNDS.
Uses of ammonia.
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
K.L.B. BK III
P. 161

Longhorn
Book III
PP 126 -226
8 3-4
NITROGEN & ITS COMPOUNDS.
Nitric acid. Lab preparation.
Nitric acid Industrial manufacture.
By the end of the lesson, the learner should be able to:
To describe lab preparation of nitric acid.
To describe industrial manufacture of nitric acid.
Teacher demonstration.
Write equations of reaction.
Discussion.
Discussion and writing equations.
Retort stand
Conc. H2SO4
KNO3

Chart
Schematic diagram.
K.L.B. BK III
P. 163

K.L.B. BK III
P. 164
8 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
9

Midterm exams and break

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
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
10 3-4
NITROGEN & ITS COMPOUNDS.
Dilute nitric acid and metal hydroxides and oxides.
Reaction of nitric acid as an oxidizing agent.
By the end of the lesson, the learner should be able to:
Predict results of reacting dilute nitric acid with metal hydroxides and oxides.
Describe reactions of nitric acid as an oxidizing agent.
Group experiments & writing equations for the reactions.
Class experiments: -
Explain observations made.
Metal hydroxides.
Nitric acid acidified iron sulphate, sulphur, and copper metal.
K.L.B. BK III
P. 168

Longhorn
Book III
PP 238-240

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
NITROGEN & ITS COMPOUNDS.
Action of heat on nitrates.
By the end of the lesson, the learner should be able to:
To write equations of decomposition of nitrates on heating.
Discuss above observations.
Write relevant equations.
charts
K.L.B. BK III
P 172
11 3-4
NITROGEN & ITS COMPOUNDS.
Test for nitrates.
Nitrogen compounds and the environment.
By the end of the lesson, the learner should be able to:
To carry out tests on nitrates.
To explain the pollution of nitrogen compounds in the environment.
To state ways of reducing environmental pollution by nitrogen compounds.
Class experiments.
Make observations and deductions.
Discuss the brown ring test for nitrates.

Brief guided discussion.
charts
K.L.B. BK III
PP 173-174

Longhorn
Book III
PP 243

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
SULPHUR AND ITS COMPOUNDS
Physical properties of sulphur. Heating 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.
Class experiment:
Solubility of sulphur in water, benzene, e.t.c,.
Class experiments:
Heating sulphur gently then strongly.
Discuss the observations.
charts
K.L.B. BK III
P.184
Longhorn I
Book III
PP 253-255
12 3-4
SULPHUR AND ITS COMPOUNDS
Chemical properties of sulphur.
Uses of sulphur. Sulphur dioxide.
By the end of the lesson, the learner should be able to:
To investigate and describe chemical properties of sulphur.
State uses of sulphur.
Describe lab. preparation of sulphur dioxide.
Group experiments.
Discuss observations.
Write corresponding equations.
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.188-190
Longhorn
Book III
PP 256-8

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
13

END TERM 2 EXAMS


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