2022/2023 Third Term Chemistry Scheme Of Work For SS2

UNIFIED SCHEME OF WORK FOR CHEMISTRY

CLASS: SENIOR SECONDARY SCHOOL TWO

TERM: THIRD-TERM SCHEME OF WORK

WEEK 1

General cleaning and revision

WEEK  2

TOPIC

Halogens

CONTENT

  1.  Electronic confirmation
  • Physical and chemical properties
  • Laboratory preparations
  • Reactions of chlorine

BEHAVIOURAL  OBJECTIVES

At the end of the lesson student should be able to:

  1. Write the electronic configuration of halogens
  2. State the properties of halogens
  3. List some compounds of halogens
  4. Describe the laboratory preparation of chlorine

INSTRUCTIONAL MATERIALS

  1. Periodic table
  2. Litmus paper
  3. Water
  4. Apparatus and reagents for the preparation of chlorine.

TEACHER’S ACTIVITIES

  1. Guides the student to write and draw the electronic  configuration of chlorine and others
  2. Perform simple experiments to illustrate the properties of chlorine (bleaching)
  3. Set up and demonstrate the laboratory preparation of chlorine
  4. Lead class discussion on the uses of halogen

LEARNER’S ACTIVITIES

  1. Write and draw the electronic configuration of the halogen
  2. Observe the experiment on the laboratory preparation of chlorine and record their observation correctly.
  • Draw the apparatus for laboratory preparation of chlorine
  • Participate in class discussion

WEEK 3

TOPIC

Halogens

CONTENT

  1. Laboratory preparation of Hydrogen chloride gas
  2. The reaction of hydrogen chloride gas
  3. Test for chloride gas
  4. Test of halogens compounds

BEHAVIOURAL  OBJECTIVES

At the end of the lesson student should be able to:

  1. Describe the laboratory preparation of HCl(gas)
  2. List some reactions of Hydrogen chloride gas
  3. Describe a test for chloride ion
  4. List the uses of halogen compounds

INSTRUCTIONAL MATERIALS

Apparatus and reagent for the preparation of hydrogen chloride gas e.g. round bottom flask manganese (iv) oxide ConcHCl Litmus paper water.

TEACHER’S ACTIVITIES

Set up and demonstrate the laboratory preparation of HCl(g)

Perform simple experiments to illustrate the reaction e.g. reaction with the metal, reaction with ammonia

LEARNER’S ACTIVITIES

  1. Observe the experiment and record it correctly
  2. Draw the apparatus for the preparation of HCl(g)
  3. Participate in class discussion on the uses.

WEEK 4

TOPIC

Nitrogen

CONTENT

  1. Laboratory preparation
  2. Industrial preparation from liquid air
  3. Uses of Nitrogen

BEHAVIOURAL  OBJECTIVES

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

  1. Describe the laboratory preparation of nitrogen and Industrial preparation
  2. List the uses of nitrogen

INSTRUCTIONAL MATERIALS

  1. Atmospheric air
  2. Water
  3. Caustic soda
  4. Copper turnings

TEACHER’S ACTIVITIES

Set up and demonstrate the laboratory preparation of nitrogen.

Lead the class on the uses of nitrogen

  1. Observe the experiments and record them correctly.
  2. Participate in class discussion on the uses.

WEEK 5

Nitrogen:  Compound of Nitrogen

CONTENT

  1. Laboratory preparation of Ammonia
  2. Industrial preparation
  3. Uses of Ammonia
  4. Oxides of nitrogen v
  5. Nitrogen cycle

BEHAVIOURAL  OBJECTIVES

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

  1. Describe the laboratory preparation of Ammonia
  2. Describe the preparation of ammonia by the Haber process
  3. Give the use of Ammonia
  4. List oxide of nitrogen
  5. Draw Nitrogen cycle

INSTRUCTIONAL MATERIALS

  1. Urine
  • Ammonium chloride
  • Slaked lime
  • Source of heat
  • Chart showing Nitrogen cycle
  • Sample of fertilizer
  • Periodic table

TEACHER’S ACTIVITIES

  1. Set up and demonstrate the laboratory preparation of Ammonia
  2. Guides the student to smell the odor of urine and the gas prepared
  3. Lead class discussion on the uses of Ammonia
  4. Perform a simple experiment to illustrate why N2o is called laughing gas

LEARNER’S ACTIVITIES

  1. Observe the experiments and record them correctly
  2. Draw the apparatus for the preparation of the gas
  3. Smell the odor of urine and Ammonia to know the similarities
  4. Participate in class discussion on the uses.

WEEK 6

TOPIC

Nitrogen:

Compound of Nitrogen

CONTENT

  1. Preparation of Trioxonitrate v acids
  2. Reactions and uses
  3. Trioxonitrate(v) salts
  4. Test for trioxonitrate v ions

BEHAVIOURAL  OBJECTIVES

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

  1. Explain laboratory preparation of Trioxonitrate iv acid
  2. List the properties of the acid
  3. Give the uses of the acid
  4. Describe a chemical test for trinitrate (v) ions.

INSTRUCTIONAL MATERIALS

  1. Sample of fertilizer
  2. Litmus paper
  3. Cloths
  4. Water

TEACHER’S ACTIVITIES

  1. Set up and demonstrate the laboratory preparation of Trioxonitrate( v) acids
  2. Guides the student to identify the uses of nitrates
  3. Demonstrate the test for trioxonitrate v ions

LEARNER’S ACTIVITIES

  1. Record, observe and draw the laboratory apparatus for the preparation of trioxonitrate(v) acid
  2. Find out more uses of nitrate.  From the internet and other sources

WEEK 7

TOPIC

Sulfur

CONTENT

  1. General properties of group vi A elements
  2. Electronic structure
  3. Allotropes of sulfur
  4. Uses of sulfur

BEHAVIOURAL  OBJECTIVES

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

  1. State the general properties of group vi A elements
  2. Write and draw the electronic configuration of sulfur
  3. Explain the meaning of allotropes
  4. List the allotropes of sulfur
  5. State the uses of sulfur

INSTRUCTIONAL MATERIALS

  1. Charts showing the structures of allotropes of sulfur
  2. Sulfur ointment
  3. Sulfur rod and powder

TEACHER’S ACTIVITIES

  1. Explain the general properties of the group VIA element
  2. Guide the students to write the electronic configuration of sulfur
  3. Guide the student to identify the uses of sulfur.

LEARNER’S ACTIVITIES

  1. Listen and participate in class discussion
  2. Write and draw the electron structure of sulfur
  3. Prepare sulfur ointments

WEEK 8

TOPIC

Sulfur

CONTENT

  1. Compound of sulfur
  2. Industrial preparation of H2So4
  3. Reactions and uses
  4. Test for So32- and SO42-

BEHAVIOURAL  OBJECTIVES

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

  1. Name some compound of sulfur
  2. Describe the industrial preparation of H2So4
  3. State the uses of H2S04
  4. Test for S042- and s032-

INSTRUCTIONAL MATERIALS

  1. Car battery acid (H2S04)
  2. Matches
  3. Chart showing contact process for the preparation of H2S04
  4. Rotten egg.

TEACHER’S ACTIVITIES

  1. Name the compound of sulfur and write it for the student to copy
  2. Explain the preparation and properties of H2S and S02 to the students
  3. Guide the student to draw correctly and explain the contact process for the manufacture of H2S04
  4. Perform the chemical test for the identification of S042- and S032- ions

LEARNER’S ACTIVITIES

  1. Draw and describe the contact process
  2. Smell the odor of rotten egg.
  3. Excursion to match the manufacturing industry.

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

WEEK 9

TOPIC

Organic chemistry: Hydrocarbon

CONTENT

  1. Structure and Valency of Carbon
  2. Hydrocarbon
  3. Homologous Series
  4. Saturated Hydrocarbon
  5. Isomerism

BEHAVIOURAL  OBJECTIVES

At the end of the lesson student should be able to:

  1. Explain the structure of carbon and its valency
  2. Define Hydrocarbon
  3. Characteristics of Organic Compound.
  4. Explain the Homologous series as it relates to hydrocarbon
  5. Explain Isomerism and give an example.

INSTRUCTIONAL MATERIALS

  1. Models of Hydrocarbon
  2. Colored beads
  3. Bromine water
  4. Apparatus from the preparation of methane
  5. Household gas

TEACHER’S ACTIVITIES

  1. Explain the tetravalent nature of carbon
  2. Define Homologous series and their characteristics.
  3. Write structures of Alkane, Alkene, and Alkyne.

LEARNER’S ACTIVITIES

  1. Participates in writing other members of homologous series.
  2. Distinguish between Alkane, Alkene, and Alkyne.

WEEK 10

TOPIC

Organic Chemistry: Unsaturated Hydrocarbon

CONTENT

  1. Alkene and Alkyne
  2. Preparation
  3. Properties
  4. Uses
  5. Test

BEHAVIOURAL  OBJECTIVES

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

  1. Write the general formular of Alkene and Alkyne.
  2. Describe the laboratory preparation of Alkene and Alkyne.
  3. List the properties of Alkene and Alkyne.
  4. List the uses of Alkene and Alkyne.
  5. Describe a test to distinguish between Etheneand Ethyne.

INSTRUCTIONAL MATERIALS

  1. Model of Hydrocarbon
  2. Silver trinitrate (v) Solution

TEACHER’S ACTIVITIES

  1. Set up and demonstrate laboratory preparation of Ethyne to the Student.
  2. Identify and write the structure of alkene and alkyne.
  3. Experiment to differentiate between Ethene and Ethyne.
  4. Lead student to state the uses of ethene

LEARNER’S ACTIVITIES

  1. Observe the experiment and record it correctly
  2. Participate in class discussion on the uses.

WEEK 11

TOPIC

Organic Chemistry: Aromatic Hydrocarbon

Alkanol

CONTENT

  1. Benzene Structure and properties.
  2. Classification and types.
  3. Preparation and properties
  4. Industrial production of Alkanol.
  5. Uses of Alkanols.

BEHAVIOURAL  OBJECTIVES

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

  1. Write the structure and properties of Benzene.
  2. Relate the structure of alkane to Alkanol
  3. Classify Alkanol based on the number of OH groups present.
  4. List the properties of Alkanol.
  5. Explain the industrial production of Alkanol (Fermentation)
  6. List the uses of Alkanol.

INSTRUCTIONAL MATERIALS

  1. Ethanol
  2. A starchy food (Potatoes)
  3. Water

TEACHER’S ACTIVITIES

  1. Show action of Sodium on Methanol.
  2. Show that ethanol is soluble in water.
  3. Prepare alcohol by fermentation.

LEARNER’S ACTIVITIES

  1. Watch teachers demonstration
  2. Participate in class discussion on user uses.

WEEK 12&13

Revisions and examination

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