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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 |
REPORTING AND REVISION OF TERM 2 EXAMS |
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| 1 | 2-3 |
SALTS
|
Methods of preparing various salts.
|
By the end of the
lesson, the learner
should be able to:
To describe various methods of preparing some salts. |
Experimental and descriptive treatments of preparation of salts e.g. ZnSO4, CuSO4, NaCl and Pb(NO3)2.
|
CuO, H2SO4, HCl, NaOH, PbCO3, dil HNO3.
|
K.L.B. BOOK II pp96
|
|
| 1 | 4 |
SALTS
|
Direct synthesis of a salts.
|
By the end of the
lesson, the learner
should be able to:
To describe direct synthesis of a salt. To write balanced equations for the reactions. |
Group experiments- preparation of iron (II) sulphide by direct synthesis.
Give other examples of salts prepared by direct synthesis. Students write down corresponding balanced equations. |
Iron,
Sulphur |
K.L.B. BOOK II P. 104
|
|
| 1 | 5 |
SALTS
|
Direct synthesis of a salts.
|
By the end of the
lesson, the learner
should be able to:
To describe direct synthesis of a salt. To write balanced equations for the reactions. |
Group experiments- preparation of iron (II) sulphide by direct synthesis.
Give other examples of salts prepared by direct synthesis. Students write down corresponding balanced equations. |
Iron,
Sulphur |
K.L.B. BOOK II P. 104
|
|
| 2 | 1 |
SALTS
|
Ionic equations.
|
By the end of the
lesson, the learner
should be able to:
To identify spectator ions in double decomposition reactions. To write ionic equations correctly. |
Q/A: Ions present in given reactants.
Deduce the products of double decomposition reactions. Give examples of equations. Supervised practice. |
PbNO3, MgSO4 solutions.
|
K.L.B. BOOK II
|
|
| 2 | 2-3 |
SALTS
|
Ionic equations.
Effects of heat on carbonates. |
By the end of the
lesson, the learner
should be able to:
To identify spectator ions in double decomposition reactions. To write ionic equations correctly. To state effects of heat on carbonates. To predict products resulting from heating metal carbonates. |
Q/A: Ions present in given reactants.
Deduce the products of double decomposition reactions. Give examples of equations. Supervised practice. Group experiments- To investigate effects of heat on Na2CO3, K2CO3, CaCO3, ZnCO3, PbCO3, e.t.c. Observe various colour changes before, during and after heating. Write equations for the reactions. |
PbNO3, MgSO4 solutions.
Various carbonates. |
K.L.B. BOOK II
K.L.B. BOOK II PP. 108-109 |
|
| 2 | 4 |
SALTS
|
Effects of heat on nitrates.
|
By the end of the
lesson, the learner
should be able to:
To state effects of heat on nitrates. To predict products resulting from heating metal nitrates. |
Group experiments- To investigate effects of heat on various metal nitrates.
Observe various colour changes before, during and after heating. Write equations for the reactions. |
Common metal nitrates.
|
K.L.B. BOOK II PP. 110-111
|
|
| 2 | 5 |
SALTS
|
Effects of heat on sulphates.
|
By the end of the
lesson, the learner
should be able to:
To state effects of heat on sulphates. To predict products results from heating metal sulphates. |
Group experiments- To investigate effects of heat on various sulphates.
Observe various colour changes before, during and after heating. Write equations for the reactions. |
Common sulphates.
|
K.L.B. BOOK II P. 113
|
|
| 3 | 1 |
SALTS
|
Hygroscopy, Deliquescence and Efflorescence.
|
By the end of the
lesson, the learner
should be able to:
To define hygroscopic deliquescent and efflorescent salts. To give examples of hygroscopic deliquescent and efflorescent salts. |
Prepare a sample of various salts.
Expose them to the atmosphere overnight. Students classify the salts as hygroscopic, deliquescent and / or efflorescent. |
|
K.L.B. BOOK II P. 114
|
|
| 3 | 2-3 |
SALTS
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES. |
Uses of salts.
Molten electrolytes. |
By the end of the
lesson, the learner
should be able to:
To state uses of salts To test for electrical conductivities molten electrolytes. |
Teacher elucidates uses of salts.
Group experiments- to identify electrolytes in molten form. Explain the difference in molten electrolytes. |
Molten candle wax Sugar Sulphur Lead oxide. |
K.L.B. BOOK II P. 114
K.L.B. BOOK IIPP. 120-121 |
|
| 3 | 4 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Electrolysis.
|
By the end of the
lesson, the learner
should be able to:
To define electrolysis To describe the process of electrolysis in terms of charge movement. |
Descriptive approach punctuated with Q/A.
|
|
K.L.B. BOOK II
|
|
| 3 | 5 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Aqueous electrolytes.
Electrodes.
|
By the end of the
lesson, the learner
should be able to:
To define an electrolyte To test for electrical conductivities of electrodes. |
To investigate chemical effect of an electric current.
Classify the solutions as electrolyte or non -electrolytes. Discuss the electrical properties of the solutions. |
Graphite electrodes
Battery Various aqueous solutions switch bulb. |
K.L.B. BOOK II PP.122-123
|
|
| 4 | 1 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Reaction on electrodes.
|
By the end of the
lesson, the learner
should be able to:
To describe half- equation reactions at the cathode and anode |
To demonstrate ?Electrolysis of molten lead (II) bromide
Observe colour changes Explanation of half-equations and reactions at the electrodes. |
Graphite electrodes
Battery Various aqueous solutions switch. |
K.L.B. BOOK II PP.126-127
|
|
| 4 | 2-3 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Reaction on electrodes.
Binary electrolyte. |
By the end of the
lesson, the learner
should be able to:
To describe half- equation reactions at the cathode and anode To define a binary electrolyte. To state the products of a binary electrolyte. |
To demonstrate ?Electrolysis of molten lead (II) bromide
Observe colour changes Explanation of half-equations and reactions at the electrodes. Completing a table of electrolysis of binary electrolytes. |
Graphite electrodes
Battery Various aqueous solutions switch. text book |
K.L.B. BOOK II PP.126-127
K.L.B. BOOK II P.127 |
|
| 4 | 4 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Application of electrolysis.
|
By the end of the
lesson, the learner
should be able to:
To state application of electrolysis. |
Discussion and explanations.
|
text book
|
K.L.B. BOOK II P. 128
|
|
| 4 | 5 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Application of electrolysis.
|
By the end of the
lesson, the learner
should be able to:
To state application of electrolysis. |
Discussion and explanations.
|
text book
|
K.L.B. BOOK II P. 128
|
|
| 5 | 1 |
EFFECTS OF AN ELECTRIC CURRENT ON SUBSTANCES.
|
Electroplating.
|
By the end of the
lesson, the learner
should be able to:
To describe electroplating process. |
Experiment- Left overnight.
Electroplating an iron nail with silver nitrate/ copper sulphate. Brief discussion. |
Silver nitrate
Iron nail Complete circuit battery. |
K.L.B. BOOK II PP. 129-30
|
|
| 5 | 2-3 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Allotropy.
Physical and chemical properties of diamond, graphite and amorphous carbon |
By the end of the
lesson, the learner
should be able to:
Define allotropes and allotropy. Identify allotropes of carbon. Represent diamond and graphite diagrammatically. Describe physical and chemical properties of diamond, graphite and amorphous carbon. State uses of carbon allotropes. |
Teacher exposes new terms.
Review covalent bond. Discuss boding in diamond and graphite. Discuss physical and chemical properties of diamond, graphite and amorphous carbon. Explain the Physical and chemical properties of diamond, graphite and amorphous carbon. Discuss uses of carbon allotropes. |
text book
Charcoal, graphite. |
K.L.B. BOOK II PP. 131-133
K.L.B. BOOK II pp 134 |
|
| 5 | 4 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Burning carbon and oxygen.
|
By the end of the
lesson, the learner
should be able to:
Describe reaction of carbon with oxygen. |
Teacher demonstration- Prepare oxygen and pass dry oxygen into a tube containing carbon. Heat the carbon. Observe effects on limewater.
|
Carbon, limewater, tube, limewater stand& Bunsen burner.
|
K.L.B. BOOK II PP. 134-135
|
|
| 5 | 5 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Reduction properties of carbon.
|
By the end of the
lesson, the learner
should be able to:
Describe reduction properties of carbon. Show reduction properties of carbon. |
Teacher demonstration ? Burn strongly a mixture of carbon and CuO on a bottle top.
Observe colour changes and give underlying explanation |
CuO, pounded charcoal, Bunsen burner& bottle top
|
K.L.B. BOOK II P.126
|
|
| 6 | 1 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Reaction of carbon with acids.
Preparation of CO2.
|
By the end of the
lesson, the learner
should be able to:
Describe reaction of carbon with acids. Prepare CO2 in the lab. |
Teacher demonstration- reaction of carbon with hot conc HNO3.
Write balanced equations for the reaction. Review effects of heat on carbonates. Group experiments/teacher demonstration- preparation of CO2. |
Conc. HNO3, limewater.
|
K.L.B. BOOK II P.126
|
|
| 6 | 2-3 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Properties of CO2.
Chemical equations for reactions involving CO2. |
By the end of the
lesson, the learner
should be able to:
Describe properties of CO2 Write balanced CO2. |
Simple experiments to determine properties of CO2.
Discuss the observations. Give examples of reactions. Write corresponding balanced chemical equations. |
Lime water,
Magnesium ribbon, Universal indicator, lit candle. text book |
K.L.B. BOOK II PP.138-139
K.L.B. BOOK II PP.139-140 |
|
| 6 | 4 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Chemical equations for reactions involving CO2.
|
By the end of the
lesson, the learner
should be able to:
Write balanced CO2. |
Give examples of reactions. Write corresponding balanced chemical equations.
|
text book
|
K.L.B. BOOK II PP.139-140
|
|
| 6 | 5 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Uses of CO2.
|
By the end of the
lesson, the learner
should be able to:
State uses of CO2 |
Discuss briefly the uses of CO2.
|
text book
|
K.L.B. BOOK II PP.140-1
|
|
| 7 | 1 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Carbon monoxide lab preparation.
|
By the end of the
lesson, the learner
should be able to:
To describe preparation of carbon monoxide in the lab |
Teacher demonstration: preparation of carbon monoxide in the lab.
Make observations. |
text book
|
K.L.B. BOOK II PP. 142-143
|
|
| 7 | 2-3 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Chemical properties of carbon monoxide.
Carbonates and hydrogen carbonates. |
By the end of the
lesson, the learner
should be able to:
To describe chemical properties of carbon monoxide. To write chemical equations for reactions of carbonates and hydrogen carbonates with acids. |
Description of properties of carbon monoxide.
Discussion and writing of chemical equations. Discuss the observations above. Write chemical equations for the reactions. |
text book
|
K.L.B. BOOK II PP. 144-145
|
|
| 7 | 4 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Heating carbonates and hydrogen carbonates.
|
By the end of the
lesson, the learner
should be able to:
To write equations for reaction of carbonates and hydrogen carbonates on heating. |
Discuss the above observations.
Write corresponding balanced equations. |
text book
|
K.L.B. BOOK II PP.150-151
|
|
| 7 | 5 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Extraction of sodium carbonate from trona.
|
By the end of the
lesson, the learner
should be able to:
To draw schematic diagram for extraction of sodium carbonates. |
Discuss each step of the process.
Write relevant equations. |
text book
|
K.L.B. BOOK II PP. 153-157
|
|
| 8 |
EXAMS AND CLOSING |
|||||||
| 9 | 1 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Solvay process of preparing sodium carbonate.
|
By the end of the
lesson, the learner
should be able to:
To draw schematic diagram for extraction of sodium carbonates. |
Discuss each step of the process.
Write relevant equations. |
text book, chart
|
K.L.B. BOOK II
|
|
| 9 | 2-3 |
CARBON AND SOME OF ITS COMPOUNDS.
|
Importance of carbon in nature.
& its
effects on the environment.
|
By the end of the
lesson, the learner
should be able to:
To discuss: - Importance of carbon in nature. & Effects of carbon on the environment. |
Discuss the carbon cycle and processes that increase/ reduce amount of CO2 in the air.
Uses of CO2 in soft drinks and fire extinguishers. |
text book
|
K.L.B. BOOK II PP.157-158
|
|
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