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Chemistry
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
2 1
THE MOLE
Mole, molar mass and R.A.M.
Number of moles in a substance.
By the end of the lesson, the learner should be able to:
Define the term mole as a quantity of measurement.
Relate the mole to R.A.M and molar mass.
Discuss various analogies that lead to the definition of the mole.
Expose the meaning of R.A.M., Avogadro?s constant and molar mass.
Chart- table of molar masses of elements.
student book
K.L.B. BK III
PP. 27-31
Longhorn
Book III
PP 34-35
2 2
THE MOLE
Relative molecular mass & Relative formula mass.
By the end of the lesson, the learner should be able to:
Define relative molecular mass.
Calculate RMM of a compound.
Q/A: - Review formulae of compounds.
Complete a table of compounds and their molecular / formula mass.
Calculators.
K.L.B.BK III
PP. 34-35

Longhorn Book III PP 44-60
2 3
THE MOLE
Moles and Avogadro?s number.
Empirical Formula.
By the end of the lesson, the learner should be able to:
Calculate number of particles in a given number of moles.
Review standard form of numbers.
Worked examples.
Supervised exercise.

Calculators.
student book
K.L.B.BK III
PP. 3132
Longhorn
Book III
PP 30-31
2 4
THE MOLE
Molecular formula.
By the end of the lesson, the learner should be able to:
Define molecular formula of a compound.
Find molecular formula given percentage composition of a compound by mass.
Worked examples.

Supervised practice.
Calculators.
K.L.B.BK III
P. 45

Longhorn
Book III
PP 73-75
2 5
THE MOLE
Concentration of a solution.
By the end of the lesson, the learner should be able to:
Define concentration of a solution.
Find concentration of a solution in grams/litre and moles/litre.
Q/A: - Equivalent ratios, e.g. 4g dissolved in 500cm? and
8g in 1 litre.
Worked examples on concentration of solutions.
chart
K.L.B. BK III
PP. 46-48

Longhorn Book III PP 76-81
3 1
THE MOLE
Molarity of a solution.
Preparation of molar solutions.
By the end of the lesson, the learner should be able to:
Define molarity of a solution.
Find molarity of a solution in M/dm?
Teacher explains that molarity of a solution is given in moles of the solute per litre.
Worked examples.
Supervised exercise.
student book
Volumetric flasks, teat droppers/wash bottle.
Sodium hydrogen pellets.
Weighing balance.
K.L.B. BK III
PP. 48-49

Longhorn
Book III
PP 76-81
3 2
THE MOLE
Calculators on molar solutions.
Dilution of solutions.
By the end of the lesson, the learner should be able to:
Solve numerical calculations on molar solutions.
Problems on molar solutions.
Worked examples.
Supervised exercise.
Assignment.
student book
K.L.B. BK III
P 51
Longhorn Book III PP 76-81
3 3
THE MOLE
Stoichiometry of a chemical reaction.
By the end of the lesson, the learner should be able to:
To determine mole ratio of given reactions.
Group experiments: - Determine masses, hence moles of reacting CuSO4 solution and iron metal.
CuSO4 solution and iron metal.
K.L.B. BK III
P. 56
Longhorn Book III PP 87-92
3 4
THE MOLE
Stoichiometric equations.
By the end of the lesson, the learner should be able to:
To define a stoichiometric equation.
To write stoichiometric equations of the above reactions.
student book
K.L.B. BK III
Longhorn Book III PP 14-16
PP. 88-93
3 5
THE MOLE
ORGANIC CHEMISTRY (I)
Stoichiometric equations of various reactions.
Hydrocarbons.
By the end of the lesson, the learner should be able to:
To investigate and determine Stoichiometric equations of various reactions.
Class experiments.

Problem solving.
student book
K.L.B. BK III
P. 62
4 1
ORGANIC CHEMISTRY (I)
Alkanes.
Naming 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.
student book
K.L.B. BK III
PP. 93-94

Longhorn
Book III
PP 135-6
4 2
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
4 3
ORGANIC CHEMISTRY (I)
Isomerism in alkanes.
Laboratory preparation of a given alkane.
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.
Sodium ethanoate, sodalime,
Pestle and mortar.
K.L.B. BK III
PP. 101-102 Longhorn Book III
PP 141-2
4 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.
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
4 5
ORGANIC CHEMISTRY (I)
Substitution reactions involving alkanes. Uses of alkanes.
Alkenes. Molecular formulae of 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.
Discussion


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

Longhorn
Book III
PP 149-50
5 1
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
5 2
ORGANIC CHEMISTRY (I)
Alkene isomerism.
Preparing ethene in the lab.
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
chart
K.L.B. BK III
P. 113
Longhorn
Book III
PP 158-60
5 3
ORGANIC CHEMISTRY (I)
Physical properties of ethene.
Chemical 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
charts
K.L.B. BK III
PP. 116-117
Longhorn Book III
PP 126-129
165-6
5 4
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
5 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
6

Madaraka Day

6 3
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 4
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 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
7 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
7 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
7-8

Mid-term exams and half term

8 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
8 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
9 1
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
9 2
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.
Teacher demonstration: - Preparation of the gas and corresponding equation.
Tests on the gas and make observations.
Conc. nitric acid, copper turnings.
charts
K.L.B. BK III
PP. 144-145
9 3
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
9 4
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 5
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 1
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.
Discuss precipitation of metal hydroxides by aqueous ammonia.
Confirmatory tests for various concentrations.
charts
Conc. Ammonium solution
Hot platinum rod
Oxygen.
K.L.B. BK III
P.154

Longhorn BK III
P 223
10 2
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
10 3
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
10 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.
Teacher demonstration.
Write equations of reaction.
Discussion.
Retort stand
Conc. H2SO4
KNO3
Chart
Schematic diagram.
K.L.B. BK III
P. 163
10 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
11 1
NITROGEN & ITS COMPOUNDS.
Nitric acid and carbonates.
Reaction of dil. nitric acid with hydrogen 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
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
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 4
NITROGEN & ITS COMPOUNDS.
Uses of nitric acid & nitrates.
Action of heat on 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 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.
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
12 2
SULPHUR AND ITS COMPOUNDS
Extraction of sulphur.
Allotropes 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.
video
K.L.B. BK III
PP.180-181
Longhorn
Book III
PP 126-129
12 3
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 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.
Group experiments.
Discuss observations.
Write corresponding equations.
charts
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

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