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)
Basicity of an acid.
Standardization of HCl.

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

Step-by-step calculations.
Complete a table of number of replaceable hydrogen ions of an acid; hence define basicity of an acid.
Write corresponding ionic equations.

Calculators.
student book
Dilute HCl, Na2CO3 solutions.

K.L.B. BK III
P 66
Longhorn Book III PP 108-114

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.

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

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

Longhorn
Book III
PP 114-115

Volumetric Analysis.

Formula mass of ammonium iron (II) sulphate.

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.

Formula mass of a given salt.
Atomicity of gases.
Mass and volume of gases.
Molar gas volume.

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

To determine mass and volume of gases.

Problem solving from sample results.
Teacher demonstration: - Determining mass of known volumes of oxygen / CO2.

student book
Lubricated syringes
Oxygen/
CO2.
student book

K.L.B. BK III
P.77
K.L.B. BK III
P. 81
Longhorn BK III
PP 126-127

Volumetric Analysis.

Combining volumes of gases.

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

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

student book

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.
Members of Alkane series.
Isomerism in alkanes.

By the end of the lesson, the learner should be able to:
To identify various alkanes.
To define a homologous series.
To draw and name isomers of simple hydrocarbons.

Discussion and exposition of new concepts.

student book
Chart- structure of alkanes.
Models.

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

K.L.B. BK III
PP. 101-102 Longhorn Book III
PP 141-2

ORGANIC CHEMISTRY (I)

Laboratory preparation of a given alkane.
Trend in physical properties of alkanes.

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.
student book

K.L.B. BK III
P. 103

Longhorn
Book III
PP 146

ORGANIC CHEMISTRY (I)

Chemical properties of alkanes.
Substitution reactions involving alkanes. Uses of alkanes.

By the end of the lesson, the learner should be able to:
Describe chemical properties of alkanes.

Discussion
Examples of balanced equations.

student book

K.L.B. BK III
P. 107
Longhorn
Book III
PP 148-9

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

ORGANIC CHEMISTRY (I)

Naming alkenes.
Alkene isomerism.
Preparing ethene in the lab.
Physical properties of ethene.

By the end of the lesson, the learner should be able to:
To name various alkenes.
To describe lab preparation of ethene.

Q/Q: Nomenclature in alkenes.
Compare alkenes; hence deduce names of various alkenes.

Teacher demonstration: - Carry out tests on ethene as students note down the observations in a table.

student book
chart
student book

K.L.B. BK III
PP. 110-113
Longhorn
Book III
PP 154-6


K.L.B. BK III
P 162

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.
Lab. preparation 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
Ammonium chloride, sodium nitrate

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

Longhorn Book
PP 188-9

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

NITROGEN & ITS COMPOUNDS.

Nitrogen (I) oxide. Lab preparation.
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 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
Dil nitric acid, copper turnings.

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.

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

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
Conc. nitric acid, copper turnings.

K.L.B.
BK III
P. 143

Longhorn
Book III
PP 192-200

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

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

NITROGEN & ITS COMPOUNDS.

Solubility of ammonia.
Reaction of ammonia with metal ions.
Ionic equations of above reactions.

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

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.
charts

K.L.B. BK III
P. 150

K.L.B.
BK III
PP. 152-153

NITROGEN & ITS COMPOUNDS.

Burning ammonia in the air.

By the end of the lesson, the learner should be able to:
To describe burning ammonia in the air.

Teacher demonstration
Discussion
Chemical equations of reactions.

Conc. Ammonium solution
Hot platinum rod
Oxygen.

K.L.B.
BK III
P. 158
Longhorn
Book III
PP 219

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.

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
Retort stand
Conc. H2SO4
KNO3

K.L.B. BK III
P. 161

Longhorn
Book III
PP 126 -226

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

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.

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

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

NITROGEN & ITS COMPOUNDS.

Uses of nitric acid & nitrates.
Action of heat on nitrates.
Test for nitrates.

By the end of the lesson, the learner should be able to:
To state uses of nitrates.
To describe preparation of nitrates.
To carry out tests on nitrates.

Discussion
Equations for the reactions for preparation of nitrates.
Class experiments.
Make observations and deductions.
Discuss the brown ring test for nitrates.

charts

K.L.B. BK III
P. 171

Longhorn Book III
PP 240
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