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SCHEME OF WORK
Chemistry
Form 4 2025
TERM I
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1 2
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
1 3
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
1 4
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
1 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
2 1-2
NITROGEN & ITS COMPOUNDS.
Properties and uses of Nitrogen (I) oxide.
Nitrogen (II) oxide. Lab preparation.
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.

To describe lab preparation of nitrogen (II) oxide.
Q/A: Deductions from tests carried out.
Discussion of chemical properties and writing of equations.

Teacher elucidates uses of nitrogen (1) oxide.

Class experiment: Preparation and carrying out tests on the gas.
Observations recorded in a table.
charts
Dil nitric acid, copper turnings.

K.L.B. BK III
P. 141
Longhorn
Book III
PP 191-2

K.L.B. BK III
P. 142
Longhorn
Book III
PP 200-1
2 3
NITROGEN & ITS COMPOUNDS.
Properties of the gas.
Nitrogen (1V) oxide Lab preparation.
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
To describe nitrogen (IV) oxide lab preparation.
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.
Teacher demonstration: - Preparation of the gas and corresponding equation.
Tests on the gas and make observations.
charts
Conc. nitric acid, copper turnings.
K.L.B.
BK III
P. 143

Longhorn
Book III
PP 192-200
2 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








2 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
3 1-2
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 describe an experiment to determine solubility 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.
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
3

CAT 1

4 1
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
4 1-2
NITROGEN & ITS COMPOUNDS.
Ionic equations of above reactions.
Burning ammonia in the air.
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.
K.L.B. BK III
P.154

Longhorn BK III
P 223

K.L.B.
BK III
P. 158
Longhorn
Book III
PP 219
4 3
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
4 4
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
4 5
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.
To describe lab preparation of nitric acid.
Teacher elucidates uses of ammonia and nitrogenous fertilizers.
Teacher demonstration.
Write equations of reaction.
Discussion.
charts
Retort stand
Conc. H2SO4
KNO3
K.L.B. BK III
P. 161

Longhorn
Book III
PP 126 -226
5 1-2
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
5 3
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
5 4
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
5 5
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
6 1-2
NITROGEN & ITS COMPOUNDS.
Reaction of nitric acid as an oxidizing agent.
Uses of nitric acid & nitrates.
By the end of the lesson, the learner should be able to:
Describe reactions of nitric acid as an oxidizing agent.
To state uses of nitrates.
To describe preparation of nitrates.
Class experiments: -
Explain observations made.
Discussion
Equations for the reactions for preparation of nitrates.
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. 171

Longhorn Book III
PP 240
6 3
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
6 4
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
6 5
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
7 1-2
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Alkanols (Alcohols).
Nomenclature of alkanols.
Isomerism in alkanols.
By the end of the lesson, the learner should be able to:
Identify the functional group of alkanols.
Explain formation of alkanol molecules.
Name and draw the structure of simple alkanols.
Describe positional and chain isomerism in alkanols.
Explain formation of primary and secondary alkanols.
Q/A: review alkanes, alkenes and alkynes.
Teacher exposes new concepts and links them with already known concepts.
Guided discovery of naming system for alkanols.
Draw and name structures of alkanols.
Q/A: review the terms positional and chain isomerism.
Brief discussion on isomerism.
Oral exercise: naming given organic compounds.
Written exercise: writing structural formulae for isomers of organic compounds of a given molecular formula.
student book
K.L.B. BK IV
Page 205
K.L.B. BK IV
Pages 208-10
7-8

CAT 2 EXAMS

8

HALF TERM BREAK

9 1
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Preparation of ethanol in the lab.
By the end of the lesson, the learner should be able to:
Describe preparation of ethanol in the laboratory.
Group experiments / teacher demonstration.

Discuss the fermentation process.
Calcium hydroxide solution, sugar solution, yeast.

K.L.B. BK IV
Pages 210-11
9 1-2
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Preparation of ethanol in the lab.
Physical properties of alkanols.
By the end of the lesson, the learner should be able to:
Describe preparation of ethanol in the laboratory.
Explain the physical properties of alkanols.
Group experiments / teacher demonstration.

Discuss the fermentation process.
Comparative evaluation of physical properties of alkanols.
Q/A & discussion on variation in physical properties of alkanols.
Calcium hydroxide solution, sugar solution, yeast.


student book
K.L.B. BK IV
Pages 210-11
K.L.B. BK IV
Page 212
9 3
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Chemical properties of alkanols.
By the end of the lesson, the learner should be able to:
Describe some chemical reactions of alkanols.
Group experiments/ teacher demonstration to investigate combustion of ethanol and its reaction with metals.
Write corresponding chemical equations.
student book
K.L.B. BK IV
Pages 213-5
9 4
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Esters and esterification.
By the end of the lesson, the learner should be able to:
Explain formation of esters.
Describe the esterification process.
Teacher exposes and explains new concepts.

Assignment.
student book
K.L.B. BK IV
Pages 215-6
9 5
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Oxidation of ethanol. Uses of alkanols.
By the end of the lesson, the learner should be able to:
Explain oxidation of ethanol by an oxidizing agent.
State uses of alkanols.
Explain the effects of alcohol on human health
Q/A: review redox reactions, oxidizing and reducing agents.
Brief discussion: oxidation of ethanol using potassium (VII) manganate or potassium (VI) dichromate.
Write corresponding chemical equations.
Open discussion.

student book
K.L.B. BK IV
Pages 216-8
10 1-2
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Alkanoic (Carboxylic Acids).
Nomenclature of alkanoic acids.
By the end of the lesson, the learner should be able to:
Identify the functional group of alkanoic (carboxylic) acids.
Explain formation of alkanoic acid molecule.

Name and draw the structure of simple alkanoic acids.

Q/A: review functional group of alkanols.

Brief discussion.
Guided discovery of the naming system for alkanoic acids.
student book
Chart: homologous series of alkanoic acids.
K.L.B. BK IV
Page 219
K.L.B. BK IV
Pages 219-221
10 3
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Nomenclature of alkanoic acids.
By the end of the lesson, the learner should be able to:
Name and draw the structure of simple alkanoic acids.

Guided discovery of the naming system for alkanoic acids.
Chart: homologous series of alkanoic acids.
K.L.B. BK IV
Pages 219-221
10 4
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Lab preparation of ethanoic acid.
By the end of the lesson, the learner should be able to:
Describe laboratory preparation of ethanoic acid.
Teacher demonstration: prepare ethanoic acid in the lab.

Brief discussion on preparation of ethanoic acid.
Concentrated H2SO4, potassium manganate
(VII) Crystals, water bath.
K.L.B. BK IV
Pages 221-223
10 5
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Physical properties of alkanoic acids.
By the end of the lesson, the learner should be able to:
Explain some physical properties of alkanoic acids.
Compare physical properties of some alkanoic acids.
Discuss the difference in physical properties among alkanoic acids.
student book
K.L.B. BK IV
Pages 223-4
11 1-2
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Chemical properties of alkanoic acids.
Chemical properties & Uses of alkanoic acids.
Soap preparation in the lab.
By the end of the lesson, the learner should be able to:
Explain some chemical properties of alkanoic acids.
Write equations for chemical reactions involving acids.
State uses of alkanoic acids.
Describe soap preparation in the lab.
Group experiment: investigate some chemical properties of ethanoic acid.
Carry out tests and record observations in a table.
Review and discuss the observations above.
Write corresponding chemical equations.
Teacher elucidates uses of alkanoic acids.
Group experiments,
Answer questions based on the experiments already carried out.



Ethanoic acid, universal indicator, sodium carbonate, magnesium strip, ethanol, conc. H2SO4 and sodium hydroxide.
student book
K.L.B. BK IV
Pages 224-5
K.L.B. BK IV
Pages 227-230
11 3
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Cleaning action of soap.
By the end of the lesson, the learner should be able to:
Describe the nature of a soap molecule.
Explain the mode of action in cleaning.
Expository and descriptive approaches.
Answer oral questions.
student book
K.L.B. BK IV
Pages 230-232
11 4
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Effects of hard / soft water on soap.
Soapless detergents.
By the end of the lesson, the learner should be able to:
Explain the effects of hard/ soft water on soap.
Prepare soapless detergents in the lab.
State merits of soapless detergents over soaps.
Group experiments: form soap lather in different solutions.
Deduce the effects of hard/ soft water on soap.
Teacher demonsration.
Brief discussion.
Distilled water, tap water, rainwater, sodium chloride solution.
Calcium nitrate, Zinc Sulphate, etc.
student book
K.L.B. BK IV
Pages 232-235
11 5
ORGANIC CHEMISTRY II (ALKANES & ALKANOIC ACIDS)
Polymers and polymerization.
By the end of the lesson, the learner should be able to:
Explain the concepts additional and condensation polymerization as methods of making synthetic polymers.
Identify some products of polymerization.
State merits and demerits of synthetic polymers over natural materials.


Teacher exposes and explains new concepts.

Detailed discussion.

Assignment.
student book
K.L.B. BK IV
Pages 238-242
12-13

END OF TERM EXAM AND CLOSING


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