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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 |
CHLORINE & ITS COMPOUNDS
|
Lab. preparation of chlorine gas.
|
By the end of the
lesson, the learner
should be able to:
Describe laboratory preparation of chlorine gas. |
Teacher demonstration ? gas prep. tests on the gas. |
Conc. HCl, Manganese (IV) oxide. |
K.L.B.BK III P. 219 Longhorn Book III PP 298-9 |
|
| 1 | 2 |
CHLORINE & ITS COMPOUNDS
|
Physical properties of chlorine.
|
By the end of the
lesson, the learner
should be able to:
State physical properties of chlorine. |
Q/A: Relate the properties to the method of collection of the gas.
Write equations for the reaction leading to formation of chlorine. |
charts
|
K.L.B.BK III
P. 220. Longhorn Book III P 301 |
|
| 1 | 3-4 |
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. To investigate and explain reaction of chlorine with metals / non-metals. |
Teacher demonstration:
Writing chemical equations. Teacher demonstration: Discussion. Writing chemical equations. |
Moist blue litmus papers.
textbook |
K.L.B.BK III
P. 222 Longhorn Book III PP 301-2 K.L.B.BK III PP. 224 -225 Longhorn Book III PP 303-5 |
|
| 1 | 5 |
CHLORINE & ITS COMPOUNDS
|
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 metals / non-metals. |
Teacher demonstration:
Discussion. Writing chemical equations. |
textbook
|
K.L.B.BK III
PP. 224 -225 Longhorn Book III PP 303-5 |
|
| 2 | 1 |
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 |
|
| 2 | 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 |
|
| 2 | 3-4 |
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. To carry out tests for chlorides. |
Teacher demonstration: Bubbling chlorine with dilute cold / hot NaOH solution.
Make observations and account for them. Class expts. Discuss observations, results. Write chemical equations for the reactions. |
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 K.L.B.BK III P. 230 Longhorn Book III PP 318-319 |
|
| 2 | 5 |
CHLORINE & ITS COMPOUNDS
|
Test for chlorides.
|
By the end of the
lesson, the learner
should be able to:
To carry out tests for chlorides. |
Class expts.
Discuss observations, results. Write chemical equations for the reactions. |
Expt. Worksheets.
Zinc chloride, litmus paper, conc. Sulphuric acid. |
K.L.B.BK III
P. 230 Longhorn Book III PP 318-319 |
|
| 3 | 1 |
CHLORINE & ITS COMPOUNDS
|
Uses of chlorine gas.
|
By the end of the
lesson, the learner
should be able to:
To state uses of chlorine. |
Teacher elucidates uses of chlorine.
|
|
K.L.B.BK III
P. 231 Longhorn Book III PP 320 |
|
| 3 | 2 |
CHLORINE & ITS COMPOUNDS
|
Hydrogen chloride gas.
Lab. prep.
Physical properties.
|
By the end of the
lesson, the learner
should be able to:
To describe Lab. prep of hydrogen chloride gas. To investigate and state physical properties of hydrogen chloride gas. |
Teacher demonstration.
Carry out tests on the gas and deduce the properties of the gas. |
Sodium chloride crystals, conc H2SO4
|
K.L.B.BK III P. 232 Longhorn Book III PP 323-4 |
|
| 3 | 3-4 |
CHLORINE & ITS COMPOUNDS
|
Hydrogen chloride gas.
Lab. prep.
Physical properties.
Aqueous hydrogen chloride. |
By the end of the
lesson, the learner
should be able to:
To describe Lab. prep of hydrogen chloride gas. To investigate and state physical properties of hydrogen chloride gas. To prepare aqueous hydrogen chloride. |
Teacher demonstration.
Carry out tests on the gas and deduce the properties of the gas. Class experiment leading to deduction of chemical properties of hydrogen chloride gas. |
Sodium chloride crystals, conc H2SO4
Distilled water. |
K.L.B.BK III P. 232 Longhorn Book III PP 323-4 K.L.B.BK III P. 234 |
|
| 3 | 5 |
CHLORINE & ITS COMPOUNDS
|
Further chemical properties of hydrogen chloride gas.
|
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.
|
K.L.B. BK III
PP. 235 -223 Longhorn Book III PP 327-331 |
|
| 4 | 1 |
CHLORINE & ITS COMPOUNDS
|
Large-scale production of hydrochloric acid.
|
By the end of the
lesson, the learner
should be able to:
Identify raw materials for manufacture of hydrochloric acid in large scale. Describe the manufacturing process. |
Discussion and giving relevant equations.
|
charts
|
K.L.B.BK III
P. 237 Longhorn Book III P 330 |
|
| 4 | 2 |
CHLORINE & ITS COMPOUNDS
|
Large-scale production of hydrochloric acid.
|
By the end of the
lesson, the learner
should be able to:
Identify raw materials for manufacture of hydrochloric acid in large scale. Describe the manufacturing process. |
Discussion and giving relevant equations.
|
charts
|
K.L.B.BK III
P. 237 Longhorn Book III P 330 |
|
| 4 | 3-4 |
CHLORINE & ITS COMPOUNDS
|
Uses of hydrochloric acid.
Effects of hydrochloric acid on the environment. |
By the end of the
lesson, the learner
should be able to:
To state uses of hydrochloric acid. To explain effects of hydrochloric acid on the environment. |
Brief discussion.
Discussion and explanation. Assignment. |
charts
|
K.L.B. BK III
P. 237 Longhorn Book III P 331-3 K.L.B. BK III P 238. Longhorn Book III PP 334-8 |
|
| 4 | 5 |
GAS LAWS
|
Boyle?s law.
|
By the end of the
lesson, the learner
should be able to:
State Boyle?s law. Explain Boyle?s law using kinetic theory of matter. |
Teacher demonstration ? Use syringes / pumps to show variation of volume with pressure.
Teacher asks probing questions leading to statement of the law. Discuss the cause of build-up-in pressure. |
Chart
Volume-pressure relationship. Syringes. |
K.L.B. BK III
PP. 1-2 Longhorn Book III PP 1 -2 |
|
| 5 | 1 |
GAS LAWS
|
Boyle?s law: -
Equation and graphical representation.
|
By the end of the
lesson, the learner
should be able to:
Represent Boyle?s law mathematically and graphically. |
Q/A: relation between volume and pressure mathematically and graphically.
Derive the relation P1V1=P2V2, and sketch graphs to illustrate Boyle?s law. Worked examples. Assignment. |
chart
|
K.L.B. BK III
PP. 3-4 Longhorn Book III PP 3-5 |
|
| 5 | 2 |
GAS LAWS
|
Boyle?s law:
Numerical questions.
|
By the end of the
lesson, the learner
should be able to:
Solve further problems involving Boyle?s law. |
Supervised exercise: Volume in cm?, m?, litres, and pressure in Pa, mmHg, cmHg, atmospheres.
Assignment. |
Calculators.
|
K.L.B. BK III
PP. 4-5 Longhorn Book III PP 6-8 |
|
| 5 | 3-4 |
GAS LAWS
|
Boyle?s law:
Numerical questions.
Boyle?s law: Interpretation of graphs. |
By the end of the
lesson, the learner
should be able to:
Solve further problems involving Boyle?s law. Plot and intepret graphs involving pressure and volume of gases. |
Supervised exercise: Volume in cm?, m?, litres, and pressure in Pa, mmHg, cmHg, atmospheres.
Assignment. Completing tables and plotting graphs. Interpret the plotted graphs. Make deductions from the graphs. |
Calculators.
Graph papers. |
K.L.B. BK III
PP. 4-5 Longhorn Book III PP 6-8 K.L.B. BK III PP. 4-5 |
|
| 5 | 5 |
GAS LAWS
|
Charles? law.
|
By the end of the
lesson, the learner
should be able to:
State Charles? law. Explain Charles? law using kinetic theory of matter. |
Teacher demonstration:- To show expansion of air when heated and contraction when pressure is constant.
Explain increase in volume when temperature is raised. Q/A: - relation between volume and temperature, leading to Charles? law. |
Coloured water,
Glass tube, Warm water, Cork and Flask. |
.K.L.B.
BK III P. 6 Longhorn Book III PP 9-11 |
|
| 6 | 1 |
GAS LAWS
|
Temperature in Degree Celsius and Kelvin.
Equation and graphs from Charles? law.
|
By the end of the
lesson, the learner
should be able to:
Convert temperature in degree Celsius to Kelvin and vice-versa. |
Teacher explains inter-conversion of the units.
Students complete a table of temperature in the two units. |
student book
|
K.L.B.
BK III P. 10 Longhorn Book III P 11 |
|
| 6 | 2 |
GAS LAWS
|
Charles? law- equation and graphical representation.
|
By the end of the
lesson, the learner
should be able to:
Express Charles? law with equations. Give a graphical representation of Charles? law. |
Derive equations from volume and temperature relationship.
Exposition: - Teacher exposes a volume-temperature graph and extrapolates it to obtain the absolute temperature. The definition of absolute temperature is exposed. |
student book
|
K.L.B. BK III PP. 6-7 Longhorn Book III P 10 |
|
| 6 | 3-4 |
GAS LAWS
|
Numerical questions on Charles? Law.
Combined Gas Law. |
By the end of the
lesson, the learner
should be able to:
Solve numerical problems based on Charles? Law. Derive the Gas Law. Derive the combined gas law equation. Solve numerical problems using the equation. |
Worked examples.
Supervised exercise. Assignment. Q/A: - Combining Boyle?s and Charles? Laws. Worked examples. |
Calculators.
|
K.L.B.
BK III P. 12 Longhorn Book III PP 12-14 K.L.B. BK III P. 12 Longhorn Book III PP 14-16 |
|
| 6 | 5 |
GAS LAWS
|
Standard conditions,
S.T.P. conditions and R.T.P. conditions.
|
By the end of the
lesson, the learner
should be able to:
State standard conditions of temperature and pressure of an ideal gas. State room temperature and pressure of a gas. Use standard conditions in problem solving. |
Exposition of s.t.p. and r.t.p.
Problem solving. |
student book
|
K.L.B. BK III P. 14 |
|
| 7-8 |
Midterm exams |
|||||||
| 9 |
Midterm break |
|||||||
| 10 | 1 |
GAS LAWS
|
Diffusion.
|
By the end of the
lesson, the learner
should be able to:
Define diffusion. Describe experiments to show diffusion. |
Group experiments. Diffusion of KMnO4 crystals, concentrated ammonia solution. |
KMnO4 crystals, Litmus papers. |
K.L.B. BK III PP. 14-15 Longhorn Book III P 19 |
|
| 10 | 2 |
GAS LAWS
|
Rates of diffusion.
|
By the end of the
lesson, the learner
should be able to:
Compare rates of diffusion of ammonia gas and hydrogen chloride in air. |
Teacher demonstration: - To deduce rate of diffusion of ammonia gas and hydrogen chloride.
Q/A: - Students calculate ratio of rates of diffusion of the gases. |
student book
|
K.L.B.
BK III PP. 18-19 Longhorn Book III 21 |
|
| 10 | 3-4 |
GAS LAWS
THE MOLE |
Graham?s Law.
Mole, molar mass and R.A.M. |
By the end of the
lesson, the learner
should be able to:
Carry out numerical tasks. Define the term mole as a quantity of measurement. Relate the mole to R.A.M and molar mass. |
Solve problems involving RMM, equal volumes of the gases involved.
Supervised practice. Assignment. Discuss various analogies that lead to the definition of the mole. Expose the meaning of R.A.M., Avogadro?s constant and molar mass. |
Calculators
Chart- table of molar masses of elements. |
K.L.B. BK III
PP. 24-26 Longhorn Book III PP 22-24 K.L.B. BK III PP. 27-31 Longhorn Book III PP 34-35 |
|
| 10 | 5 |
THE MOLE
|
Number of moles in a substance.
|
By the end of the
lesson, the learner
should be able to:
Calculate number of moles in a given mass of a substance. |
Worked examples.
Supervised practice. |
student book
|
K.L.B .BK III
P. 34 Longhorn BK III PP 39-40 |
|
| 11 | 1 |
THE MOLE
|
Relative molecular mass
&
Relative formula mass.
|
By the end of the
lesson, the learner
should be able to:
Define relative molecular mass. Calculate RMM of a compound. |
Q/A: - Review formulae of compounds.
Complete a table of compounds and their molecular / formula mass. |
Calculators.
|
K.L.B.BK III
PP. 34-35 Longhorn Book III PP 44-60 |
|
| 11 | 2 |
THE MOLE
|
Relative molecular mass
&
Relative formula mass.
|
By the end of the
lesson, the learner
should be able to:
Define relative molecular mass. Calculate RMM of a compound. |
Q/A: - Review formulae of compounds.
Complete a table of compounds and their molecular / formula mass. |
Calculators.
|
K.L.B.BK III
PP. 34-35 Longhorn Book III PP 44-60 |
|
| 11 | 3-4 |
THE MOLE
|
Moles and Avogadro?s number.
Empirical Formula. |
By the end of the
lesson, the learner
should be able to:
Calculate number of particles in a given number of moles. Determine empirical formula of a compound given percentage composition by mass. |
Review standard form of numbers.
Worked examples. Supervised exercise. Worked examples. Supervised practice. Assignment. |
Calculators.
student book |
K.L.B.BK III
PP. 3132 Longhorn Book III PP 30-31 K.L.B. BK III P. 43 Longhorn Book III PP 66-71 |
|
| 11 | 5 |
THE MOLE
|
Molecular formula.
|
By the end of the
lesson, the learner
should be able to:
Define molecular formula of a compound. Find molecular formula given percentage composition of a compound by mass. |
Worked examples.
Supervised practice. |
Calculators.
|
K.L.B.BK III
P. 45 Longhorn Book III PP 73-75 |
|
| 12 | 1 |
THE MOLE
|
Concentration of a solution.
|
By the end of the
lesson, the learner
should be able to:
Define concentration of a solution. Find concentration of a solution in grams/litre and moles/litre. |
Q/A: - Equivalent ratios, e.g. 4g dissolved in 500cm? and
8g in 1 litre. Worked examples on concentration of solutions. |
chart
|
K.L.B. BK III
PP. 46-48 Longhorn Book III PP 76-81 |
|
| 12 | 2 |
THE MOLE
|
Concentration of a solution.
|
By the end of the
lesson, the learner
should be able to:
Define concentration of a solution. Find concentration of a solution in grams/litre and moles/litre. |
Q/A: - Equivalent ratios, e.g. 4g dissolved in 500cm? and
8g in 1 litre. Worked examples on concentration of solutions. |
chart
|
K.L.B. BK III
PP. 46-48 Longhorn Book III PP 76-81 |
|
| 12 | 3-4 |
THE MOLE
|
Molarity of a solution.
Preparation of molar solutions. |
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? Define molar solutions. Prepare molar solutions. |
Teacher explains that molarity of a solution is given in moles of the solute per litre.
Worked examples. Supervised exercise. Q/A: - Description of preparation of molar solutions. |
student book
Volumetric flasks, teat droppers/wash bottle. Sodium hydrogen pellets. Weighing balance. |
K.L.B. BK III
PP. 48-49 Longhorn Book III PP 76-81 K.L.B. BK III PP. 50-51 Longhorn Book III PP 78-81 |
|
| 12 | 5 |
THE MOLE
|
Calculators on molar solutions.
|
By the end of the
lesson, the learner
should be able to:
Solve numerical calculations on molar solutions. Problems on molar solutions. |
Worked examples.
Supervised exercise. Assignment. |
student book
|
K.L.B. BK III
P 51 Longhorn Book III PP 76-81 |
|
| 13 |
Exams |
|||||||
| 14 | 1 |
THE MOLE
|
Dilution of solutions.
|
By the end of the
lesson, the learner
should be able to:
Calculate molarity of a solution after dilution. |
Group experiments.
Calculations. |
student book
|
K.L.B. BK III
PP. 76-81 |
|
| 14 | 2 |
THE MOLE
|
Stoichiometry of a chemical reaction.
|
By the end of the
lesson, the learner
should be able to:
To determine mole ratio of given reactions. |
Group experiments: - Determine masses, hence moles of reacting CuSO4 solution and iron metal.
|
CuSO4 solution and iron metal.
|
K.L.B. BK III
P. 56 Longhorn Book III PP 87-92 |
|
| 14 | 3-4 |
THE MOLE
|
Stoichiometric equations.
Stoichiometric equations of various reactions. |
By the end of the
lesson, the learner
should be able to:
To define a stoichiometric equation. To investigate and determine Stoichiometric equations of various reactions. |
To write stoichiometric equations of the above reactions.
Class experiments. Problem solving. |
student book
|
K.L.B. BK III
Longhorn Book III PP 14-16 PP. 88-93 K.L.B. BK III P. 62 |
|
| 14 | 5 |
THE MOLE
|
Stoichiometric equations of various reactions.
|
By the end of the
lesson, the learner
should be able to:
To investigate and determine Stoichiometric equations of various reactions. |
Class experiments.
Problem solving. |
student book
|
K.L.B. BK III
P. 62 |
|
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