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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 | 3-4 |
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. To define titration as a process. Define a titration end-point. |
Discussion and practical use of the apparatus.
Emphasis is laid on need to sterilize the apparatus after use. Review by Q/A: - -Indicators and colour changes. -Choice of indicators. -Balanced chemical equations. Discuss characteristics of a good titre, when an an-end point is attained. |
Pipettes
Burettes. Indicators Suitable acid and base. |
K.L.B. BK III
PP. 63-64 Longhorn Book III PP 104-8 K.L.B. BK III PP. 64-67 Longhorn Book III PP 108-114 |
|
| 1 | 5 |
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 |
|
| 2 | 1 |
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 |
|
| 2 | 2 |
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 |
|
| 2 | 3-4 |
Volumetric Analysis.
|
Redox Titration Reactions.
Water of crystallization. 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 standardize a solution with an iron (II) salt. To find formula mass of ammonium iron (II) sulphate. |
Experiment and calculations.
Calculations from experimental 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 PP. 76 -77 |
|
| 2 | 5 |
Volumetric Analysis.
|
Atomicity of gases.
Mass and volume 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
Lubricated syringes Oxygen/ CO2. |
K.L.B. BK III
PP. 78 -80 Longhorn BK III PP 126-128 |
|
| 3 | 1 |
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. |
Charts
|
K.L.B. BK III
79 ? 80 Longhorn Book III PP 126-127 |
|
| 3 | 2 |
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. |
Charts
|
K.L.B. BK III
P. 85 Longhorn Book III PP 129-131 |
|
| 3 | 3-4 |
NITROGEN & ITS COMPOUNDS.
|
Isolation of nitrogen from air.
Industrial production of nitrogen. 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 isolation of nitrogen from air. Describe lab preparation of nitrogen. |
Teacher demonstration, explanations and equations. Teacher demonstration: Students? record observations made from tests on the gas. Writing equations of reactions. |
Aspirator, copper turnings, gas jar, combustion tube, trogh.
charts Ammonium chloride, sodium nitrate charts |
K.L.B. BK III
PP. 134-135 Longhorn Book P 186 K.L.B. BK III P. 137 Longhorn Book III P 190-1 |
|
| 3 | 5 |
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 |
|
| 4 | 1 |
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 |
|
| 4 | 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 |
|
| 4 | 3-4 |
NITROGEN & ITS COMPOUNDS.
|
Properties of Nitrogen (IV) oxide.
Ammonia. Lab preparation of ammonia. Properties of ammonia. Solubility 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. To list down physical properties of ammonia. |
Deduce physical properties from the table of observations.
To describe chemical properties from the table of observations. Discuss uses of nitrogen (1V) oxide. Deduce physical properties from the observations above. Discuss chemical properties from the observations above. Write down chemical equations. |
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 K.L.B. BK III P. 150 |
|
| 4 | 5 |
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 |
|
| 5 | 1 |
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 |
|
| 5 | 2 |
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 |
|
| 5 | 3-4 |
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 industrial manufacture of nitric acid. |
Teacher elucidates uses of ammonia and nitrogenous fertilizers.
Discussion and writing equations. |
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. 164 |
|
| 5 | 5 |
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 |
|
| 6 | 1 |
NITROGEN & ITS COMPOUNDS.
|
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:
Write equations for reaction of dil. nitric acid with hydrogen carbonates. |
Discussion and corresponding equations.
|
Metal hydroxides.
|
K.L.B. BK III
P. 167 |
|
| 6 | 2 |
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 |
|
| 6 | 3-4 |
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 |
|
| 6 | 5 |
NITROGEN & ITS COMPOUNDS.
SULPHUR AND ITS COMPOUNDS |
Nitrogen compounds and the environment.
Extraction 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. |
Brief guided discussion.
|
charts
Chart-the Frasch process. |
K.L.B.BK III
PP. 173-174 Longhorn Book III PP 244-6 |
|
| 7 |
SERIES ONE EXAM |
|||||||
| 7 | 5 |
SULPHUR AND ITS COMPOUNDS
|
Allotropes of sulphur.
Physical properties of sulphur. Heating of sulphur. |
By the end of the
lesson, the learner
should be able to:
To identify allotropes of sulphur. To describe preparation of allotropes of sulphur. |
Discussion and exposition of new concepts.
|
video
charts |
K.L.B. BK III
PP. 182-183 Longhorn Book PP 126-129 |
|
| 8 | 1 |
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 |
|
| 8 | 2 |
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
|
K.L.B.BK III
PP 191- 192 Longhorn Book P 258 |
|
| 8 | 3-4 |
SULPHUR AND ITS COMPOUNDS
|
Acidic properties of SO2.
Reducing action of SO2. Bleaching properties of SO2. |
By the end of the
lesson, the learner
should be able to:
To carry out experiments to determine acidic properties of SO2. To verify reducing action of SO2. |
Teacher demonstration to verify acidic properties of sulphur dioxide.
Write equations. Class experiments: make observations and draw conclusions. Write balanced corresponding equations. |
Experimental worksheets. |
K.L.B.BK III
P. 193 Longhorn Book III PP 262-3 K.L.B.BK III P. 195 |
|
| 8 | 5 |
SULPHUR AND ITS COMPOUNDS
|
Oxidizing action of SO2.
Sulphate and sulphite ions. Uses of SO2. |
By the end of the
lesson, the learner
should be able to:
To explain Oxidizing action of SO2. |
Q/A: review redox reactions.
Teacher demonstration: - Lowering magnesium into a jar of SO2; effect of SO2 on hydrogen sulphide. Discuss observations. Write equations for the reactions. |
Burning magnesium.
Hydrogen sulphide. Sodium sulphate Barium chloride Barium nitrate. |
K.L.B.
BK III PP. 198-199 Longhorn Book III PP 266-7 |
|
| 9 | 1 |
SULPHUR AND ITS COMPOUNDS
|
Sulphuric acid.
Contact process of manufacture.
|
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. |
K.L.B. BK III PP.201-203 Longhorn Book III PP 275-6 |
|
| 9-10 |
HALFTERM BREAK |
|||||||
| 10 | 2 |
SULPHUR AND ITS COMPOUNDS
|
Properties of conc. H2SO4.
Physical properties of sulphuric acid. |
By the end of the
lesson, the learner
should be able to:
Describe properties of conc. H2SO4. |
Discuss above observations.
Write relevant equations. |
charts
Conc. sulphuric acid. |
K.L.B.
BK III P. 204 |
|
| 10 | 3-4 |
SULPHUR AND ITS COMPOUNDS
|
Chemical properties of Sulphuric acid.
Dilute H2SO4, carbonates and hydrogen carbonates. Dilute H2SO4, and metal oxides and hydroxides. |
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. To describe reaction of dilute H2SO4 with carbonates and hydrogen carbonates. |
Discussion and explanations.
Group expts. ? reaction of metals with dilute H2SO4, make observations and relevant deductions; writing corresponding equations. Discussion, writing relevant equations. |
Magnesium, zinc, copper metals.
charts Oxides of magnesium, zinc, copper. NaOH Solution. |
K.L.B.
BK III P. 206 Longhorn Book III PP 276-8 K.L.B. BK III P. 208 |
|
| 10 | 5 |
SULPHUR AND ITS COMPOUNDS
|
Dilute H2SO4 and metal oxides & hydroxides.
|
By the end of the
lesson, the learner
should be able to:
To explain reactions of dilute H2SO4 with metal oxides and hydroxides. |
Discussion, writing relevant chemical equations.
|
charts
|
K.L.B. BK III P. 211 |
|
| 11 |
END TERM EXAM |
|||||||
| 12 | 1 |
SULPHUR AND ITS COMPOUNDS
|
Hydrogen sulphide.
Preparation of the gas.
Reaction of the gas with oxygen.
|
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 |
|
| 12 | 2 |
SULPHUR AND ITS COMPOUNDS
|
Reaction of the gas with water.
Reducing properties of the gas.
|
By the end of the
lesson, the learner
should be able to:
To write equations for reaction of the gas with water. To demonstrate reducing properties of the gas. |
Writing chemical equations for the reactions.
|
charts
|
K.L.B.
BK III P. 212. Longhorn Book III PP 291-2 |
|
| 12 | 3-4 |
SULPHUR AND ITS COMPOUNDS
CHLORINE & ITS COMPOUNDS |
Sulphur and its effects on the environment.
Lab. preparation of chlorine gas. Physical properties of chlorine. 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 explain environmental pollution caused by sulphur and its compounds. State physical properties of chlorine. |
Discussion and explanation.
Q/A: Relate the properties to the method of collection of the gas. Write equations for the reaction leading to formation of chlorine. |
charts
Conc. HCl, Manganese (IV) oxide. charts Moist blue litmus papers. textbook |
K.L.B.
BK III P. 214 Longhorn Book PP 293-5 K.L.B.BK III P. 220. Longhorn Book III P 301 |
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