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SCHEME OF WORK
Chemistry
Form 3 2025
TERM II
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
2 1
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
2 2
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
2 3-4
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
2 5
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
3 1
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
3 2
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
3 3-4
ORGANIC CHEMISTRY (I)
Trend in physical properties of alkanes.
Chemical properties 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
3 5
ORGANIC CHEMISTRY (I)
Substitution reactions involving alkanes. Uses of alkanes.
By the end of the lesson, the learner should be able to:
To describe substitution reactions involving alkanes.

To list down uses of alkanes.
Discussion


Teacher elucidates uses of alkanes.
student book
K.L.B. BK III
P. 108

Longhorn
Book III
PP 149-50
4 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
4 2
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
4 3-4
ORGANIC CHEMISTRY (I)
Alkene isomerism.
Preparing ethene in the lab.
Physical properties of ethene.
By the end of the lesson, the learner should be able to:
Differentiate between branching and positional isomerism.
To describe physical properties of ethene and other alkenes.
Discussion and drawing of molecular structures.
To discuss physical properties of ethene and other alkenes.

student book
chart
K.L.B. BK III
P. 113
Longhorn
Book III
PP 158-60
K.L.B. BK III
PP. 116-117
Longhorn Book III
PP 126-129
165-6
4 5
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
5 1
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
5 2
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
5 3-4
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
5 5
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
6 1
ORGANIC CHEMISTRY (I)
Physical properties of ethyne.
Chemical 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
6 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
6 3-4
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.
Describe industrial production of nitrogen.



Teacher demonstration, explanations and equations.

Discussion and description.
Drawing schematic diagram for the process.
Aspirator, copper turnings, gas jar, combustion tube, trogh.
charts
K.L.B. BK III
PP. 134-135

Longhorn Book
P 186

K.L.B. BK III
PP.135-136

Longhorn Book
PP 188-9
6 5
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
7 1
NITROGEN & ITS COMPOUNDS.
Physical and chemical properties of nitrogen. Uses of nitrogen.
By the end of the lesson, the learner should be able to:
State physical and chemical properties of nitrogen.


List down uses of nitrogen.

Discussion and writing equations.
charts
K.L.B. BK III
P. 138

Longhorn
Book III
PP 191-2
7 2
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
7 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
7 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
8 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
8 2
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








8 3-4
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
To list down physical properties of ammonia.
Q/A: Structure of ammonia.
Group experiments: Preparation of ammonia.
Tests on the gas.
Deduce physical properties from the observations above.
Discuss chemical properties from the observations above.
Write down chemical equations.
Ca(OH)2, NH4Cl Solutions, CaO, litmus papers..M THREE CHEMISTRY TERM TWO 20....

charts
K.L.B. BK III
PP. 147-148


K.L.B. BK III
P. 150
8 5
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
9

MID-TERM BREAK

10 1
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
10 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
10 3-4
NITROGEN & ITS COMPOUNDS.
Ionic equations of above reactions.
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 write iIonic equations of above reactions.
To describe burning ammonia in the air.
Discuss precipitation of metal hydroxides by aqueous ammonia.
Confirmatory tests for various concentrations.
Teacher demonstration
Discussion
Chemical equations of reactions.
charts
Conc. Ammonium solution
Hot platinum rod
Oxygen.
Granular CuCl2
Combustion tube,
Dry ammonia
U-tube
Gas jar.
K.L.B. BK III
P.154

Longhorn BK III
P 223

K.L.B.
BK III
P. 158
Longhorn
Book III
PP 219
10 5
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
11 1
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
11 2
NITROGEN & ITS COMPOUNDS.
Nitric acid. Lab preparation.
By the end of the lesson, the learner should be able to:
To describe lab preparation of nitric acid.
Teacher demonstration.
Write equations of reaction.
Discussion.
Retort stand
Conc. H2SO4
KNO3
K.L.B. BK III
P. 163
11 3-4
NITROGEN & ITS COMPOUNDS.
Nitric acid Industrial manufacture.
Reaction of dilute Nitric acid with metals.
By the end of the lesson, the learner should be able to:
To describe industrial manufacture of nitric acid.
To describe reaction of dilute nitric acid with metals.
To write equations of reactions of dilute nitric acid with metals.
Discussion and writing equations.
Class experiment:- making observations and recording them in a table.
Discuss the observations.
Write down equations for the reactions.
Chart
Schematic diagram.
Magnesium
Zinc
Copper
K.L.B. BK III
P. 164

K.L.B. BK III
PP. 165-166

Longhorn
Book III
PP 166-8
11 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
12 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
12 2
NITROGEN & ITS COMPOUNDS.
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:
Write equations for reaction of dil. nitric acid with hydrogen carbonates.
Discussion and corresponding equations.
Metal hydroxides.
K.L.B. BK III
P. 167
12 3-4
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
12 5
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
13 1
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
13 2
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
13 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
13 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
14 1
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
14 2
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
14 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
14 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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