2022/2023 First Term Chemistry Scheme Of Work For SS2

Chemistry scheme of work

UNIFIED SCHEME OF WORK FOR CHEMISTRY

CLASS: SENIOR SECONDARY SCHOOL TWO

TERM: FIRST TERM SCHEME OF WORK

WEEK ONE

Cleaning of the School Compound

WEEK TWO

TOPIC

Mass volume Relationship

CONTENT

1-Mole ratio and mass relationship

2-Calculation of concentration, molar mass, moles, volume e.t.c

3-Stoichiometry of reactions

BEHAVIOURAL OBJECTIVE

At the end of the lesson, Students should be able to:

  1. Explain the concepts of the mole, molar, S.T.P; relative molar mass, and relative densities
  2. Solve problems involving reacting masses and volumes in chemical reactions.
  3. State the SI units of various fundamental quantities

INSTRUCTIONAL MATERIALS

Workbooks and textbooks

Sodium hydroxide (NaOH), hydrochloric acid HCL, Copper oxide e.t.c.

Magnesium

Ribbon

TEACHER’S ACTIVITIES

  1. Enumerate the mole concepts, molar, S.T.P relative densities e.t.c.
  2. Teachers guide the students to calculate: The masses of reactions and products.
  3. Guides Students to calculate:
  4. several moles of reacting substances and products.

LEARNER’S ACTIVITIES

  1. Calculate the masses, moles, and volumes in chemical reactions
  2. Participates in class review exercises.
  3. Compute or write the number of moles and molar mass of reactants and products from chemical equations of a chemical reactions

WEEK THREE

TOPIC

Types of Reaction

CONTENT

Decomposition, displacement, catalytic reaction, double-decomposition, thermal-dissociation, Reversible reaction

BEHAVIOURAL OBJECTIVE

At the end of the lesson, Students should be able to:

  1. Define the various types of reactions: such as catalytic reaction, decomposition, displacement reaction, e.t.c.

INSTRUCTIONAL MATERIALS

  1. Common reagents such as Sodium Chloride (NaCl), hydrochloric acid (HCl) e.t.c.
  2. Test tubes, beakers, sources of heat e.t.c.

TEACHER’S ACTIVITIES

  1. Guides the Students to identify reactants and products of any reaction.

LEARNER’S ACTIVITIES

  1. Ask questions and watch the teacher’s demonstration in the class.

WEEK FOUR

TOPIC

Redox Reaction

CONTENT

1.  Oxidation and reduction

2.  Oxidation number

3. Oxidizing and Reducing agents

4.  Balancing of Redox Equation

BEHAVIOURAL OBJECTIVE

At the end of the lesson, Students should be able to:

  1. Define oxidation and reduction: as the addition of oxygen and removal of hydrogen
  2. Calculate the oxidation number of elements using a set of arbitrary rules like (a)Oxidation number of free elements=0, (b) Oxygen in any compound=-2 except in hydrogen peroxides=-1
  3. Define oxidizing and reducing agents in terms of the addition and removal of oxygen and hydrogen respectively.
  4. Balance the Redox reactions effectively through the steps.

INSTRUCTIONAL

MATERIALS

  1. Students textbooks
  2. Flip Chart
  3. Students textbooks
  4. Chalkboard
  5. Starch iodine paper
  6. Using of Students textbooks

TEACHER’S ACTIVITIES

  1. Guides Students to define Oxidation and Reduction
  2. Calculate Oxidation numbers of the central atom in H2SO4, HNO3e.t.c.
  3. It guides the students in distinguishing oxidizing agents from reducing agents.
  4. Guides the students to write a balanced Redox reaction or equation

LEARNER’S ACTIVITIES

  1. Students note the various definitions of oxidation and reduction reaction.
  2. Ask questions and calculate the oxidation of an atom in a compound
  3. Differentiate between oxidizing agents and reducing agents.
  4. Learn how to balance the Redox equation.

WEEK FIVE

TOPIC

Electrolysis

CONTENT

1.  Definition of Electrolysis

2.  Ionic Theory

3.  Electrolyte and non-electrolyte

4.  Preferential discharge of ions

5.  Electrolysis of common electrolytes, e.g. acidified water, copper (II) sulfates, and brines.

BEHAVIOURAL OBJECTIVE

At the end of the lesson, Students should be able to:

  1. Define electrolysis, electrolytes (Strong, Weak, non-electrolytes)
  2. Explain Ionic theory: discharge of ions in the solution.
  3. Define electrolyte and non-electrolyte.
  4. Differentiate between electrolyte and non-electrolyte, strong and weak electrolytes.
  5. Identify the factors affecting the discharge of ions during electrolysis.
  6. Illustrates the electrolysis of brines, and acidified water.

INSTRUCTIONAL MATERIALS

  1. An electrolytic cell apparatus
  2. An electrochemical cell apparatus poster.
  3. Sodium hydroxide (NaOH)
  4. Ammonia (NH3),
  5. An electrolytic cell apparatus.
  6. Using dilute H2SO4 Brine

TEACHER’S ACTIVITIES

  1. Define Electrolysis to the Students
  2. Draw electrolytic and electrochemical cells.
  3. The teacher guides the students to know the differences between Strong and weak electrolytes and no-electrolyte.
  4. Guides Students to calculate the number of substances liberated or deposited at electrodes during electrolysis.
  5. Demonstrate the uses of electrolysis.
  6. Draw the electrolysis of some common electrolytes in the form of a chart to show to the Students

LEARNER’S ACTIVITIES

  1. Ask questions in the class on the topic discussed.
  2. Ask questions about the discussions in the class
  3. Differentiate between the electrolyte and non-electrolyte
  4. Calculate the amounts of substances discharged during electrolysis
  5. State the uses of electrolysis and its applications.

WEEK SIX

TOPIC

Electrolysis

CONTENT

(1) Laws of Electrolysis

Faraday’s laws of electrolysis

(2) Calculations

(3) Uses of Electrolysis

BEHAVIOURAL OBJECTIVE

At the end of the lesson, Students should be able to:

  1. State faraday’s laws of electrolysis
  2. Calculate the amount of substance librated or deposited at the electrode during electrolysis
  3. State the uses of electrolysis

INSTRUCTIONAL MATERIALS

  1. Textbooks
  2. Showing the electrolytic and electrochemical cells diagrams

TEACHER’S ACTIVITIES

  1. Explain Faraday’s first and second laws of electrolysis.
  2. Guides students to calculate the amount of substance librated or deposited at an electrode during electrolysis
  3. State the uses and application of electrolysis

LEARNER’S ACTIVITIES

  1. State Faraday’s first and second laws of electrolysis
  2. Solve some problems involving faraday’s law of electrolysis
  3. State the uses of electrolysis 

WEEK SEVEN

TOPIC

Electrolysis

CONTENT

(1) Electrode Potential (Electrochemical cells)

(2) Electrochemical cell and electromotive force (E.M.F.) of cells.

BEHAVIOURAL OBJECTIVE

At the end of the lesson, Students should be able to:

  1. Explain electrode potential and the standard hydrogen electrode draw and write cell diagrams.
  2. Define the electromotive force of cells.

INSTRUCTIONAL MATERIALS

  1. Electrochemical cell diagram on a chart.
  2. Cells diagram

TEACHER’S ACTIVITIES

  1. Draw and write cell diagrams.
  2. Guides the students to draw and write cell diagram

LEARNER’S ACTIVITIES

  1. Explain electrode potential.
  2. Draw the cell diagram and able questions

WEEK EIGHT

TOPIC

Energy and chemical reactions

CONTENT

1- Rate of Reactions

2-Collision theory

3-Factors affecting the rate of reaction

BEHAVIOURAL OBJECTIVE

At the end of the lesson, Students should be able to:

  1. Define rate of reaction.
  2. Explain Collision theory
  3. List the factors affecting the rate of reactions

INSTRUCTIONAL MATERIALS

  1. Gas syringe, stopwatch, test tube, conical flask for laboratory experiment
  2. Charts showing the collision of molecules.
  3. Magnesium Ribbon and Dilute Hydrochloric acid in a chart.

TEACHER’S ACTIVITIES

  1. Guides the students to know the meaning of the rate of reaction
  2. Guides the students when showing the chart to them.
  3. Explain each factor properly to the Students

LEARNER’S ACTIVITIES

  1. Define the rate of reaction.
  2. Demonstrate the experiment.
  3. Explain the Collision theory through the charts.
  4. List factors affecting the rate of reaction

WEEK NINE

TOPIC

Acid-Base Reactions

CONTENT

Qualitative comparisons of conductance of molar solution of story-weak acid and base

BEHAVIOURAL OBJECTIVE

At the end of the lesson, Students should be able to:

  1. Define concentration in mold-3 of solutions
  2. Define Standard solutions
  3. explain the relationship between concentrations and volumes of reacting substances.

INSTRUCTIONAL MATERIALS

  1. Distilled water or deionized water
  2. Titration apparatus (retort stand, beaker, burette, pipette, conical flask, white tile e.t.c.
  3. Indicators

TEACHER’S ACTIVITIES

  1. Guides Students to Prepare standard solutions, and identify appropriate indicators for acid-base titration.
  2. Displays and explain the apparatus necessary for carrying out simple titrations

LEARNER’S ACTIVITIES

  1. To prepare standard solutions:
  2. carry acid
  3. base titrations using given indicators
  4. Record correct by titer values to two decimal places.

WEEK TEN

TOPIC

Simple Acid-Base Titration

CONTENT

  1. Preparation of standard solution for titration (Practical)
  2. Neutralization
  3. Indicators

BEHAVIOURAL OBJECTIVE

At the end of the lesson, Students should be able to:

  1. Prepare standard solution.
  2. Define neutralization process
  3. Define indicators and list different types of indicators used for the titration.

INSTRUCTIONAL MATERIALS

  1. Weighing balance, measuring cylinder, beaker, funnel e.t.c.
  2. Acids, Bases
  3. Methyl Orange
  4. Methyl red e.t.c.

TEACHER’S ACTIVITIES

  1. Demonstrate the process of acid-base titration
  2. Guides students to carry out the acid-base titration according to the instructions
  3. Teachers should ensure that students record properly and perform relevant calculations

LEARNER’S ACTIVITIES

  1. To carry out relevant calculations from the values.
  2. Construct a wooden retort stand.
  3. Ask questions during the practical class.

WEEK ELEVEN

TOPIC

Titration

CONTENT

Application i.e. Determination of:

  1. Percentage Purity
  2. Molar mass
  3. Water of crystallization

BEHAVIOURAL OBJECTIVE

At the end of the lesson, Students should be able to:

  1. Explain percentage purity
  2. Calculate the molar mass of the substances given.
  3. Analyze different salts for anions and cations

INSTRUCTIONAL MATERIALS

  1. Acids
  2. Bases

TEACHER’S ACTIVITIES

  1. Carry out titrations to determine:
  2. Percentage purity
  3. Explain to students how to calculate the molar mass of substances
  4. Explain to students how to calculate the molar mass of substances.
  5. Carry out a titration to determine water of crystallization

LEARNER’S ACTIVITIES

  1. Determine the purity of the substance
  2. Calculate the molar mass of a substance in a given solution.
  3. Determine the water of crystallization in a titration reaction.

WEEK TWELVE & THIRTEEN

Revision and Examination

Kindly Share

Similar Posts