Volumetric Analysis.

Apparatus used in titration experiments.
Titration process.

By the end of the lesson, the learner should be able to:
To use and read a pipette and a burette.

Discussion and practical use of the apparatus.
Emphasis is laid on need to sterilize the apparatus after use.

Pipettes
Burettes.
Indicators
Suitable acid and base.

K.L.B. BK III
PP. 63-64
Longhorn
Book III
PP 104-8

Volumetric Analysis.

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

K.L.B. BK III
P. 66

Longhorn Book III PP 108-114

Volumetric Analysis.

Titration experiment (Neutralization reaction)

By the end of the lesson, the learner should be able to:
To carry out calculations from experimental results.

Step-by-step calculations.

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.
Redox Titration Reactions.

By the end of the lesson, the learner should be able to:
To calculate concentration of HCl from experimental results.
To standardize a solution with an iron (II) salt.

Calculations & supervised practice.
Experiment and calculations.

Potassium Magnate
(VII)

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

Longhorn
Book III
PP 114-115

Volumetric Analysis.

Water of crystallization.

By the end of the lesson, the learner should be able to:
To determine amount of water of crystallization in ammonium iron sulphate crystals.

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

Ammonium
Iron (II)
Sulphate crystals.
Dilute sulphuric (VI) acid.

K.L.B. BK III
P. 76

Volumetric Analysis.

Formula mass of ammonium iron (II) sulphate.
Formula mass of a given salt.

By the end of the lesson, the learner should be able to:
To find formula mass of ammonium iron (II) sulphate.

Calculations from experimental results.

student book

K.L.B. BK III
PP. 76 -77

Volumetric Analysis.

Atomicity 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

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

Volumetric Analysis.

Mass and volume of gases.
Molar gas volume.
Combining volumes of gases.

By the end of the lesson, the learner should be able to:
To determine mass and volume of gases.
To compare combining volumes of two reacting gases.

Teacher demonstration: - Determining mass of known volumes of oxygen / CO2.

Teacher demonstration: - Determining volumes of reacting gases; hence deduce volume rations.

Lubricated syringes
Oxygen/
CO2.
student book

K.L.B. BK III
P. 81
Longhorn BK III
PP 126-127

K.L.B BK III
P. 82

Volumetric Analysis.

Gay Lussac?s Law.

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.

Teacher exposes the law; and compares it with Gay Lussac?s Law.
Worked examples.
Supervised practice.

student book

K.L.B. BK III
P. 85

Longhorn
Book III
PP 129-131

ORGANIC CHEMISTRY (I)

Hydrocarbons.
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.

Discuss composition of the carbon atom; hence deduce number of valence electrons.
Exposition of new terms.

student book
Chart of biomass digester.

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

ORGANIC CHEMISTRY (I)

Naming Alkanes.

By the end of the lesson, the learner should be able to:
To identify various alkanes.
To define a homologous series.

Discussion and exposition of new concepts.

student book

K.L.B. BK III
PP. 94-98
Longhorn
Book III
PP 136-139

ORGANIC CHEMISTRY (I)

Members of Alkane series.
Isomerism in alkanes.
Laboratory preparation of a given alkane.

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.

To describe laboratory preparation of a given alkane.
To state physical properties of the gases prepared.

Discussion and exposition of new concepts.
Teacher demonstration.
Discussion.

Chart- structure of alkanes.
Models.
Sodium ethanoate, sodalime,
Pestle and mortar.

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

Longhorn Book III
PP 137-9

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.

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

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

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

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

ORGANIC CHEMISTRY (I)

Chemical properties of ethene.
Alkenes and oxidizing agents.

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

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

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

ORGANIC CHEMISTRY (I)

Isomerism in alkynes.
Physical properties of ethyne.
Chemical properties of ethyne.

By the end of the lesson, the learner should be able to:
To draw structure showing positional and branching isomerism.
To describe combustion, halogenation and hydrogenation processes.

Discussion and drawing structures.
Discussion and writing of equations.

charts

K.L.B. BK III
PP. 124-125
Longhorn
Book III
PP 176-8

K.L.B. BK III
PP. 127-129
Longhorn Book III
PP 180-184

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.

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

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

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.

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

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

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

NITROGEN & ITS COMPOUNDS.

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

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
Ca(OH)2, NH4Cl Solutions, CaO, litmus papers..M THREE CHEMISTRY TERM TWO 20....

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

Longhorn
Book III
P 204

NITROGEN & ITS COMPOUNDS.

Properties of ammonia.
Solubility of ammonia.

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.

Deduce physical properties from the observations above.
Discuss chemical properties from the observations above.
Write down chemical equations.

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.

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

NITROGEN & ITS COMPOUNDS.

Uses of ammonia.
Nitric acid. Lab preparation.
Nitric acid Industrial manufacture.

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
Chart
Schematic diagram.

K.L.B. BK III
P. 161

Longhorn
Book III
PP 126 -226

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.

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.

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

NITROGEN & ITS COMPOUNDS.

Dilute nitric acid and metal hydroxides and oxides.
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:
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.
charts

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.

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

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