Volumetric Analysis.

Titration process.

By the end of the lesson, the learner should be able to:
To define titration as a process.
Define a titration end-point.

Review by Q/A: -
-Indicators and colour changes.
-Choice of indicators.
-Balanced chemical equations.
Discuss characteristics of a good titre, when an an-end point is attained.

Indicators
Suitable acid and base.

K.L.B.
BK III
PP. 64-67

Longhorn
Book III
PP 108-114

Volumetric Analysis.

Titration experiment (Neutralization reaction)
Titration experiment (Neutralization reaction)

By the end of the lesson, the learner should be able to:
To carry out a titration experiment and obtain accurate results.

Class experiments: - To neutralize HCl with NaOH solution.
Fill in a table of results.
Find the average base used.

student book
Calculators.

K.L.B. BK III
P. 66

Longhorn Book III PP 108-114

Volumetric Analysis.

Basicity of an acid.
Standardization of HCl.

By the end of the lesson, the learner should be able to:
To define basicity of an acid.

Complete a table of number of replaceable hydrogen ions of an acid; hence define basicity of an acid.
Write corresponding ionic equations.

student book
Dilute HCl, Na2CO3 solutions.

K.L.B. BK III
P. 73

Volumetric Analysis.

Concentration of HCl.

By the end of the lesson, the learner should be able to:
To calculate concentration of HCl from experimental results.

Calculations & supervised practice.

K.L.B. BK III
PP. 74-75

Volumetric Analysis.

Redox Titration Reactions.
Water of crystallization.
Formula mass of ammonium iron (II) sulphate.

By the end of the lesson, the learner should be able to:
To standardize a solution with an iron (II) salt.
To determine amount of water of crystallization in ammonium iron sulphate crystals.

Experiment and calculations.
Teacher exposes the formula of water of crystallization.
Class experiment.
Filling in a table of results.

Potassium Magnate
(VII)
Ammonium
Iron (II)
Sulphate crystals.
Dilute sulphuric (VI) acid.
student book

K.L.B. BK III
PP. 74-75

Longhorn
Book III
PP 114-115

K.L.B. BK III
P. 76

Volumetric Analysis.

Formula mass of a given salt.

By the end of the lesson, the learner should be able to:
To solve numerical problems involving water of crystallization.

Problem solving from sample results.

student book

K.L.B. BK III
P.77

Volumetric Analysis.

Atomicity of gases.
Mass and volume of gases.

By the end of the lesson, the learner should be able to:
To define atomicity of gases.

Review by Q/A atoms and molecules; hence the definition.
Discuss a table of gases and their atomicity.

student book
Lubricated syringes
Oxygen/
CO2.

K.L.B. BK III
PP. 78 -80
Longhorn BK III PP 126-128

Volumetric Analysis.

Molar gas volume.
Combining volumes of gases.

By the end of the lesson, the learner should be able to:
To define molar gas volume.

Use the above results to describe volume of one mole of a gas.
Discuss molar gas volume at R.T.P and S.T.P conditions.

student book

K.L.B. BK III
79 ? 80
Longhorn
Book III
PP 126-127

Volumetric Analysis.
ORGANIC CHEMISTRY (I)

Gay Lussac?s Law.
Hydrocarbons.

By the end of the lesson, the learner should be able to:
To state Gay Lussac?s Law.
To compare Gay Lussac?s Law with Avogadro?s Law.
To solve numericals using Gay Lussac?s Law.
To define organic Chemistry.
To define a hydrocarbon.
To identify groups of hydrocarbons.
To describe the carbon atom.

Teacher exposes the law; and compares it with Gay Lussac?s Law.
Worked examples.
Supervised practice.
Discuss composition of the carbon atom; hence deduce number of valence electrons.
Exposition of new terms.

student book

K.L.B. BK III
P. 85

Longhorn
Book III
PP 129-131

K.L.B. BK III
P. 92
Longhorn
Book III
P 135

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

ORGANIC CHEMISTRY (I)

Members of Alkane series.
Isomerism in alkanes.

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.
Models.

K.L.B. BK III
PP. 97-99

Longhorn Book III
PP 137-9

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

ORGANIC CHEMISTRY (I)

Trend in physical properties of alkanes.
Chemical properties of alkanes.
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 the trend in physical properties of alkanes.
To describe substitution reactions involving alkanes.

To list down uses of alkanes.

Study a table of comparative properties of alkanes.
Make deductions from the table.
Discussion


Teacher elucidates uses of alkanes.

student book

K.L.B. BK III
P. 105

Longhorn
Book III
PP 148-9

K.L.B. BK III
P. 108

Longhorn
Book III
PP 149-50

ORGANIC CHEMISTRY (I)

Naming alkenes.
Alkene isomerism.

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

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

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

ORGANIC CHEMISTRY (I)

Alkenes and oxidizing agents.
Uses of alkenes & Topic review.
Alkynes. Nomenclature.

By the end of the lesson, the learner should be able to:
To describe reactions of alkenes with oxidizing agents.
To identify various alkynes.
To name and draw structures of alkynes.

Review the double bonds in alkenes.
Review reduction process, oxidizing agent.
Discuss reactions of alkenes with conc. H2SO4, acidified potassium chromate.
Expose hydrolysis process.


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
PP. 120-121


Longhorn
Book III
PP 166-8

K.L.B. BK III
P. 122-123
Longhorn
Book III
PP 126-129 171-5

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

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

ORGANIC CHEMISTRY (I)
NITROGEN & ITS COMPOUNDS.

Tests for alkynes. Uses of alkynes.
Isolation of nitrogen from air.

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
Aspirator, copper turnings, gas jar, combustion tube, trogh.

K.L.B. BK III
P.130

Longhorn Book III
PP 180-84

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

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

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.

Q/A: Deductions from tests carried out.
Discussion of chemical properties and writing of equations.

Teacher elucidates uses of nitrogen (1) oxide.

charts
Dil nitric acid, copper turnings.

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

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

NITROGEN & ITS COMPOUNDS.

Nitrogen (1V) oxide Lab preparation.
Properties of Nitrogen (IV) oxide.
Ammonia. Lab preparation of ammonia.
Properties of ammonia.

By the end of the lesson, the learner should be able to:
To describe nitrogen (IV) oxide lab preparation.
To describe lab preparation of ammonia

Teacher demonstration: - Preparation of the gas and corresponding equation.
Tests on the gas and make observations.

Q/A: Structure of ammonia.
Group experiments: Preparation of ammonia.
Tests on the gas.

Conc. nitric acid, copper turnings.
charts
Ca(OH)2, NH4Cl Solutions, CaO, litmus papers..M THREE CHEMISTRY TERM TWO 20....
charts

K.L.B. BK III
PP. 144-145

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

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

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

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

NITROGEN & ITS COMPOUNDS.

Reaction of ammonia with copper (II) Oxide.
Haber process.
Uses of ammonia.

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.
To list down uses of ammonia.
To list down nitrogenous fertilizers.

Teacher demonstration and discussion.
Write down equations for the reactions.
Teacher elucidates uses of ammonia and nitrogenous fertilizers.

Granular CuCl2
Combustion tube,
Dry ammonia
U-tube
Gas jar.
Chart- schematic diagram.
charts

K.L.B.
BK III
P. 158
K.L.B. BK III
P. 161

Longhorn
Book III
PP 126 -226

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

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

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

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

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

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

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

SULPHUR AND ITS COMPOUNDS

Extraction of sulphur.
Allotropes of sulphur.
Physical properties of sulphur. Heating of sulphur.

By the end of the lesson, the learner should be able to:

To describe extraction of sulphur by Frasch process.
To list physical properties of sulphur.

To describe effects of heat on sulphur.

Illustrate and discuss extraction of sulphur.

Class experiment:
Solubility of sulphur in water, benzene, e.t.c,.
Class experiments:
Heating sulphur gently then strongly.
Discuss the observations.

Chart-the Frasch process.
video
charts

K.L.B. BK III
PP.180-181
Longhorn
Book III
PP 126-129

K.L.B. BK III
P.184
Longhorn I
Book III
PP 253-255

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