THE MOLE

Molarity of a solution.

By the end of the lesson, the learner should be able to:
Define molarity of a solution.
Find molarity of a solution in M/dm?

Teacher explains that molarity of a solution is given in moles of the solute per litre.
Worked examples.
Supervised exercise.

student book

K.L.B. BK III
PP. 48-49

Longhorn
Book III
PP 76-81

THE MOLE

Preparation of molar solutions.
Calculators on molar solutions.

By the end of the lesson, the learner should be able to:
Define molar solutions.
Prepare molar solutions.

Q/A: - Description of preparation of molar solutions.

Volumetric flasks, teat droppers/wash bottle.
Sodium hydrogen pellets.
Weighing balance.
student book

K.L.B. BK III
PP. 50-51

Longhorn
Book III
PP 78-81

THE MOLE

Dilution of solutions.
Stoichiometry of a chemical reaction.
Stoichiometric equations.
Stoichiometric equations of various reactions.

By the end of the lesson, the learner should be able to:
Calculate molarity of a solution after dilution.
To investigate and determine Stoichiometric equations of various reactions.

Group experiments.
Calculations.
Class experiments.

Problem solving.

student book
CuSO4 solution and iron metal.

K.L.B. BK III
PP. 76-81
K.L.B. BK III
P. 62

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)
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.
Concentration 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.

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.
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.

Problem solving from sample results.

student book
Lubricated syringes
Oxygen/
CO2.

K.L.B. BK III
P.77

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.

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)

Alkanes.
Naming Alkanes.
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 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.
Models.
Sodium ethanoate, sodalime,
Pestle and mortar.

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)

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.
Naming 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)

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

By the end of the lesson, the learner should be able to:
To describe physical properties of ethene and other alkenes.
To list down uses of alkenes.

To discuss physical properties of ethene and other alkenes.


Teacher elucidates uses of alkenes.

Assignment.

student book
charts

K.L.B. BK III
PP. 116-117
Longhorn Book III
PP 126-129
165-6
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.

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)

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.
Lab. preparation 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
Ammonium chloride, sodium nitrate

K.L.B. BK III
PP. 134-135

Longhorn Book
P 186

NITROGEN & ITS COMPOUNDS.

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:
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.
charts

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.

Nitrogen (II) oxide. Lab preparation.
Properties of the gas.
Nitrogen (1V) oxide Lab preparation.

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
Conc. nitric acid, copper turnings.

K.L.B. BK III
P. 142
Longhorn
Book III
PP 200-1

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.

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

charts

K.L.B. BK III
P. 150

NITROGEN & ITS COMPOUNDS.

Reaction of ammonia with metal ions.
Ionic equations of above reactions.
Burning ammonia in the air.
Reaction of ammonia with copper (II) Oxide.
Haber process.

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.
To describe burning ammonia in the air.

Teacher demonstration: - Preparation of aqueous solution of ammonia.

Class experiments: -
Students record observations when drops of aqueous ammonia are added, then in excess.
Teacher demonstration
Discussion
Chemical equations of reactions.

2 cm Solutions containing various metal ions.
charts
Conc. Ammonium solution
Hot platinum rod
Oxygen.
Granular CuCl2
Combustion tube,
Dry ammonia
U-tube
Gas jar.
Chart- schematic diagram.

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

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

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.

Discussion and writing equations.

Chart
Schematic diagram.
Magnesium
Zinc
Copper

K.L.B. BK III
P. 164

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.
Uses of nitric acid & nitrates.
Action of heat on 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.
To state uses of nitrates.
To describe preparation of nitrates.

Group experiments & writing equations for the reactions.
Discussion
Equations for the reactions for preparation of nitrates.

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
P. 171

Longhorn Book III
PP 240

NITROGEN & ITS COMPOUNDS.

Test for nitrates.
Nitrogen compounds and the environment.

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

SULPHUR AND ITS COMPOUNDS

Extraction of sulphur.
Allotropes of sulphur.

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

To describe extraction of sulphur by Frasch process.

Illustrate and discuss extraction of sulphur.

Chart-the Frasch process.
video

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

SULPHUR AND ITS COMPOUNDS

Physical properties of sulphur. Heating of sulphur.
Chemical properties of sulphur.

By the end of the lesson, the learner should be able to:
To list physical properties of sulphur.

To describe effects of heat on sulphur.

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

charts

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

SULPHUR AND ITS COMPOUNDS
CHLORINE & ITS COMPOUNDS

Uses of sulphur. Sulphur dioxide.
Physical properties of sulphur dioxide.
Lab. preparation of chlorine gas.
Physical properties of chlorine.

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


Describe laboratory preparation of chlorine gas.

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


Teacher demonstration ? gas prep. tests on the gas.

charts
text book
Conc. HCl, Manganese (IV) oxide.
charts

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


K.L.B.BK III
P. 219
Longhorn
Book III
PP 298-9

CHLORINE & ITS COMPOUNDS

Chemical properties of chlorine ? reaction with water.
Chemical properties of chlorine - Reaction with metals - Reaction with non-metals.

By the end of the lesson, the learner should be able to:
To investigate and explain reaction of chlorine with water.

Teacher demonstration:
Writing chemical equations.

Moist blue litmus papers.
textbook

K.L.B.BK III
P. 222
Longhorn
Book III
PP 301-2

CHLORINE & ITS COMPOUNDS

- Oxidizing properties of chlorine.

By the end of the lesson, the learner should be able to:
To investigate and explain reaction of chlorine with reducing a gents.

Group experiments.
Discuss and explain observations made.
Write corresponding chemical equations.

Expt. Worksheets.

K.L.B. BK III
PP. 226 -227
Longhorn Book
PP 307-8

CHLORINE & ITS COMPOUNDS

Chlorine and alkalis.
Test for chlorides.

By the end of the lesson, the learner should be able to:
To investigate and explain reaction of chlorine with alkalis.

Teacher demonstration: Bubbling chlorine with dilute cold / hot NaOH solution.
Make observations and account for them.

Cold / hot NaOH solutions.
Expt. Worksheets.
Zinc chloride, litmus paper, conc. Sulphuric acid.

K.L.B.BK III
P. 228
Longhorn Book III
PP 313-4

CHLORINE & ITS COMPOUNDS

Uses of chlorine gas.
Hydrogen chloride gas. Lab. prep. Physical properties.
Aqueous hydrogen chloride.

By the end of the lesson, the learner should be able to:
To state uses of chlorine.
To describe Lab. prep of hydrogen chloride gas.
To investigate and state physical properties of hydrogen chloride gas.

Teacher elucidates uses of chlorine.

Teacher demonstration.
Carry out tests on the gas and deduce the properties of the gas.

Sodium chloride crystals, conc H2SO4
Distilled water.

K.L.B.BK III
P. 231
Longhorn Book III
PP 320


K.L.B.BK III
P. 232
Longhorn
Book III
PP 323-4

CHLORINE & ITS COMPOUNDS

Further chemical properties of hydrogen chloride gas.
Large-scale production of hydrochloric acid.
Uses of hydrochloric acid.
Effects of hydrochloric acid on the environment.

By the end of the lesson, the learner should be able to:
To determine chemical properties of hydrogen chloride gas.
To carry out confirmatory test for hydrogen chloride gas.

Class experiment leading to deduction of further chemical properties of hydrogen chloride gas / confirmatory test for hydrogen chloride gas.

Ammonia solution.
charts

K.L.B. BK III
PP.
235 -223
Longhorn
Book III
PP 327-331