Volumetric Analysis.

Standardization of HCl.

By the end of the lesson, the learner should be able to:
To define standardization of HCl.

Class experiments.

Dilute HCl, Na2CO3 solutions.

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

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.
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.
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 define atomicity of gases.
To define molar gas volume.

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

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
Lubricated syringes
Oxygen/
CO2.

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

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

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.

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
Chart- structure of alkanes.

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

ORGANIC CHEMISTRY (I)

Isomerism in alkanes.
Laboratory preparation of a given alkane.
Trend in physical properties of alkanes.
Chemical properties of alkanes.
Substitution reactions involving alkanes. Uses of alkanes.

By the end of the lesson, the learner should be able to:
To draw and name isomers of simple hydrocarbons.
Describe chemical properties of alkanes.

Discussion and exposition of new concepts.
Discussion
Examples of balanced equations.

Models.
Sodium ethanoate, sodalime,
Pestle and mortar.
student book

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

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

ORGANIC CHEMISTRY (I)

Alkenes. Molecular formulae of alkenes.
Naming 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)

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

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.
Physical properties of ethyne.

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)

Chemical properties of ethyne.
Tests for alkynes. Uses of alkynes.

By the end of the lesson, the learner should be able to:
To describe combustion, halogenation and hydrogenation processes.

Discussion and writing of equations.

charts

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

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

NITROGEN & ITS COMPOUNDS.

Lab. preparation of nitrogen.
Physical and chemical properties of nitrogen. Uses of nitrogen.
Nitrogen (I) oxide. Lab preparation.
Properties and uses of Nitrogen (I) oxide.

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

Teacher demonstration:
Students? record observations made from tests on the gas.
Writing equations of reactions.
Teacher demonstration: -
Carry out tests on the gas.
Students record observations in a table.
Guided discussion.

Ammonium chloride, sodium nitrate
charts
Ammonium nitrate.
charts

K.L.B. BK III
P. 137

Longhorn
Book III
P 190-1

K.L.B. BK III
PP. 139-141

Longhorn
Book III
PP 195-6

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.
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

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.
Reaction of ammonia with copper (II) Oxide.

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.
Granular CuCl2
Combustion tube,
Dry ammonia
U-tube
Gas jar.

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

NITROGEN & ITS COMPOUNDS.

Haber process.
Uses of ammonia.

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.
charts

K.L.B. BK III
PP. 159-160
225-226

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.
Nitric acid and carbonates.
Reaction of dil. nitric acid with hydrogen carbonates.
Dilute nitric acid and metal hydroxides and oxides.

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.
Write equations for reaction of dil. nitric acid with hydrogen carbonates.

Class experiment:- making observations and recording them in a table.
Discuss the observations.
Write down equations for the reactions.
Discussion and corresponding equations.

Magnesium
Zinc
Copper
Solutions of
Na2CO3
NaHCO3
ZnCO3
CuCO3
Metal hydroxides.

K.L.B. BK III
PP. 165-166

Longhorn
Book III
PP 166-8

K.L.B. BK III
P. 167

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.

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.
SULPHUR AND ITS COMPOUNDS

Nitrogen compounds and the environment.
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 explain the pollution of nitrogen compounds in the environment.
To state ways of reducing environmental pollution by nitrogen compounds.

To identify allotropes of sulphur.
To describe preparation of allotropes of sulphur.

Brief guided discussion.
Discussion and exposition of new concepts.

charts
Chart-the Frasch process.
video
charts

K.L.B.BK III
PP. 173-174

Longhorn
Book III
PP 244-6

K.L.B. BK III
PP. 182-183
Longhorn Book
PP 126-129

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

SULPHUR AND ITS COMPOUNDS

Uses of sulphur. Sulphur dioxide.
Physical properties of sulphur dioxide.

By the end of the lesson, the learner should be able to:
State uses of sulphur.
Describe lab. preparation of sulphur dioxide.

Teacher elucidates uses of sulphur.
Teacher demonstration:-
Preparation of sulphur dioxide in a fume chamber/in the open.
Carrying out tests on the gas.

charts
text book

K.L.B.BK III
PP 191- 192
Longhorn Book
P 258

SULPHUR AND ITS COMPOUNDS

Acidic properties of SO2.
Reducing action of SO2.

By the end of the lesson, the learner should be able to:
To carry out experiments to determine acidic properties of SO2.

Teacher demonstration to verify acidic properties of sulphur dioxide.
Write equations.

textbook
Experimental worksheets.

K.L.B.BK III
P. 193
Longhorn
Book III
PP 262-3

SULPHUR AND ITS COMPOUNDS

Bleaching properties of SO2.
Oxidizing action of SO2.
Sulphate and sulphite ions. Uses of SO2.

By the end of the lesson, the learner should be able to:
To carry out experiments to determine bleaching properties of SO2.
To carry out tests for Sulphate and sulphite ions.

State uses of SO2.

Discuss the observations made above.
Write corresponding equations.
Class experiments.
Make deductions from the observations made.
Write (ionic) equations for the reactions.
Teacher elucidates uses of SO2.

Burning magnesium.
Hydrogen sulphide.
Sodium sulphate
Barium chloride
Barium nitrate.

K.L.B .BK III
P. 194
Longhorn
Book III
PP 263-4

K.L.B.
BK III P. 200
Longhorn
Book III
PP 268-9

SULPHUR AND ITS COMPOUNDS

Sulphuric acid. Contact process of manufacture.
Properties of conc. H2SO4.

By the end of the lesson, the learner should be able to:
To identify raw materials for manufacture of sulphuric acid.
To describe the contact process.

Discussion using schematic
flow charts.
Writing equations.

Chart-schematic
Flow charts.
charts

K.L.B. BK III
PP.201-203
Longhorn
Book III
PP 275-6

SULPHUR AND ITS COMPOUNDS

Physical properties of sulphuric acid.

By the end of the lesson, the learner should be able to:
To dilute conc. sulphuric acid.
State physical properties of sulphuric acid.

Teacher demonstration ? diluting conc. sulphuric acid.
Discuss use of conc. sulphuric acid as a drying and dehydrating agent.

Conc. sulphuric acid.

K.L.B.
BK III P. 205
Longhorn
Book III
PP 274-5

SULPHUR AND ITS COMPOUNDS

Chemical properties of Sulphuric acid.
Dilute H2SO4, carbonates and hydrogen carbonates.

By the end of the lesson, the learner should be able to:
To write equations to show that conc. sulphuric acid is a drying and dehydrating agent.
To describe reactions of dilute H2SO4 with metals.

Discussion and explanations.
Group expts. ? reaction of metals with dilute H2SO4, make observations and relevant deductions; writing corresponding equations.

Magnesium, zinc, copper metals.
charts

K.L.B.
BK III P. 206
Longhorn
Book III
PP 276-8

SULPHUR AND ITS COMPOUNDS

Dilute H2SO4, and metal oxides and hydroxides.
Dilute H2SO4 and metal oxides & hydroxides.

By the end of the lesson, the learner should be able to:
To investigate reaction of dilute H2SO4 with metal oxides and hydroxides.
To explain reactions of dilute H2SO4 with metal oxides and hydroxides.

Class expts.
Observing colour changes.
Discussion, writing relevant chemical equations.

Oxides of magnesium, zinc, copper.
NaOH Solution.
charts

K.L.B.
BK III P. 210
Longhorn
Book III
PP 287-8


K.L.B.
BK III P. 211

SULPHUR AND ITS COMPOUNDS

Hydrogen sulphide. Preparation of the gas. Reaction of the gas with oxygen.
Reaction of the gas with water. Reducing properties of the gas.
Sulphur and its effects on the environment.

By the end of the lesson, the learner should be able to:
To describe preparation of hydrogen sulphide.
To state properties of the gas.

Theoretical / descriptive approach.
Writing corresponding equations.
Discuss physical properties of the gas and reaction of the gas with oxygen.

charts

K.L.B.
BK III P. 210
Longhorn
Book III
PP 289-90