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.

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)

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

Longhorn
Book III
PP 114-115

Volumetric Analysis.

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

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.
student book

K.L.B. BK III
P. 76

Volumetric Analysis.

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

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

To define atomicity of gases.

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

student book
student book
Lubricated syringes
Oxygen/
CO2.

K.L.B. BK III
P.77
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.

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.

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

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

ORGANIC CHEMISTRY (I)

Alkanes.
Naming Alkanes.
Members of Alkane series.

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.
To name members of alkane series and identify their characteristics.
To draw the structures of alkane series.

Expose various alkanes.
Discuss the biomass digester, fractional distillation of crude oil and uses of the fractions.
Discuss the cracking process.

Discussion and exposition of new concepts.

Chart of biomass digester.
student book
Chart- structure of alkanes.

K.L.B. BK III
PP. 93-94

Longhorn
Book III
PP 135-6

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

Longhorn Book III
PP 137-9

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

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.

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)

Alkenes. Molecular formulae of alkenes.
Naming alkenes.
Alkene isomerism.

By the end of the lesson, the learner should be able to:
To write molecular formulae of alkenes.
Differentiate between branching and positional isomerism.

Examine table of members of alkenes.
To identify members of alkene series.
Discussion and drawing of molecular structures.

student book

K.L.B. BK III
PP 153-4
K.L.B. BK III
P. 113
Longhorn
Book III
PP 158-60

ORGANIC CHEMISTRY (I)

Preparing ethene in the lab.
Physical properties of ethene.

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
student book

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.
Isomerism in alkynes.
Physical properties of ethyne.

By the end of the lesson, the learner should be able to:
To identify various alkynes.
To name and draw structures of alkynes.
To draw structure showing positional and branching isomerism.

Discuss a table of members of alkynes.
Review naming of alkanes and alkene and compare this with naming of alkynes.

Discussion and drawing structures.

charts

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

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

ORGANIC CHEMISTRY (I)

Chemical properties of ethyne.

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

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.
Nitrogen (I) oxide. Lab preparation.

By the end of the lesson, the learner should be able to:
State physical and chemical properties of nitrogen.


List down uses of nitrogen.


To describe Nitrogen (I) oxide.

Discussion and writing equations.
Teacher demonstration: -
Carry out tests on the gas.
Students record observations in a table.
Guided discussion.

charts
Ammonium nitrate.

K.L.B. BK III
P. 138

Longhorn
Book III
PP 191-2

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.

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.
Solubility of ammonia.

By the end of the lesson, the learner should be able to:
To describe lab preparation of ammonia
To list down physical properties of ammonia.

Q/A: Structure of ammonia.
Group experiments: Preparation of ammonia.
Tests on the gas.
Deduce physical properties from the observations above.
Discuss chemical properties from the observations above.
Write down chemical equations.

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

charts

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


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.

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

K.L.B. BK III
P.154

Longhorn BK III
P 223

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.
Nitric acid. Lab preparation.

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.

To describe lab preparation of nitric acid.

Discussion and explanations.
Teacher demonstration.
Write equations of reaction.
Discussion.

Chart- schematic diagram.
charts
Retort stand
Conc. H2SO4
KNO3

K.L.B. BK III
PP. 159-160
225-226
K.L.B. BK III
P. 163

NITROGEN & ITS COMPOUNDS.

Nitric acid Industrial manufacture.

By the end of the lesson, the learner should be able to:
To describe industrial manufacture of nitric acid.

Discussion and writing equations.

Chart
Schematic diagram.

K.L.B. BK III
P. 164

NITROGEN & ITS COMPOUNDS.

Reaction of dilute Nitric acid with metals.
Nitric acid and carbonates.

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
Solutions of
Na2CO3
NaHCO3
ZnCO3
CuCO3

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

Longhorn
Book III
PP 166-8

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.

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