CHEMISTRY
FORM 4 TERM 1
SCHEMES OF WORK
WK
LESSON
TOPIC
SUB-TOPIC
CONTENT
1
1
ACIDS
BASES
AND
SALTS
-definition of
acid and bases.
-strength of
acids and bases
-PH scale
-electrical
conductivity of
weak strong
bases
-Acids
-Bases
-Proton down
-base as proton
acceptor
-PH scale
-Electrical
conductivity of wake
strong acids and
bases.
-Define acids, bases
and salts.
-explain the difference
between weak & strong
acids & bases on the
degree into which they
dissociate into ions.
-Review with the
students
-Questions
Answers
Teaching
Demonstrations
Characteristics
of Amphoteric
oxides &
hydroxides
-Reactions of acids &
alkalis with AI203 and
zinc oxide
-AI(OH)3
Zn(OH)2
Review
Demonstration
answer
Method
Discussion
Effect of
solvent on
solute.
-characteristics of
HCl(g)
in methyl benzene &
aqueous solutions
using mg , caco3-Reactions of dry
aqueous ammonia
-Write formulae and
ionic equations for
specified and base
reactions
-Neutralization
reactions
-explain the effect of
solvent in acid base
character.
2
3
2
4-5
1
2
3
4-5
OBJECTIVES
LEARNING
ACTIVITIES
RESOURCES REMARKS
/REFERENCE
KLB BK 4Pg
1-9
KIE BK 4 pg
1-5
KLB BK 4 pg
12-14
KLB BK 4
page 9-12
KIE BK 4
Pg 7 - 10
3
1
SALTS
2
3
SOLUBILITY
SOLUBILITY
CURVES
-solubility curves
-fractural
crystallization –
Extraction of Na2CO3
from L Magandi
1
Water hardness
2
-Removal of
water hardness
-Types of water
hardness
-methods of removal
of water hardness.
4-5
4
Complex ions
-Salts
-Precipitate reactions
-Reaction of cations
i.e Ca
2+,Fe2+,Fe3+,Ba2+
,
Zn2+,Al3+,Cu2+ with
ammonia solution, clC032-,SO42- SO32-Cu(NH3)42+
Zn(NH3)42+
(Pb(OH)4)2-
3-5
-Advantages &
disadvantages
of water
hardness.
Advantages &
disadvantages of hard
water
-Define salt
-test for presence of
specified anion or
cations.
-identify precipitates
and complexes
produced by specified
cation – anion reaction.
-identify complex ions
produced by specified
anion-caption reations
-Explain the use of
solubility curves in salt
extraction.
-state the types and
causes of hardness of
water.
-state the effect and
explains the methods of
removal of water
hardness.
-state the advantages &
disadvantages of hard
water.
-class experiment
-questions
Answers
-discuss
solns of the said
cations
KLB bk 4
PG 14 – 18
Demonstration
Discuss
KLB BK 4 pg
18-20
KLB BK 4 pg
20-25
KLB BK 4 pg
25-29
5
1
2-3
ENERGY
CHANGES
IN
CHEMICA
L&
PHYSICAL
PROCESSE
S
-Endothermic
and
Exothermic
reactions
- latent heat
-Enthalpy notation
DH for exothermic
endothermic reactionmolar heat
Quantitative
determination
of enthalpies
-Formation of HCL
from H2 cl2
-formation of CH3Cl
from methane &
chlorine
-Enthalpies
-combustion
-solution
-displacement
-neutralization
-Energy level
diagram
-Thermo chemical
cycles
-heat of solution., DH
lattice
DH hydration
-Energy content of
fuels
4-5
6
1
2
3
4
5
7
1
2-3
-simple energy
level diagram
- Ness’ law
4-5
Common fuels
-pollution by
common fuels
e.g engine
-Internal combustion
engine
pollution
-Define exothermic and
endothermic reaction
using DH notation
-Draw energy level
diagrams.
-Explain fusions and
vaporization as
evidence of
interparticle fumes
-Explain energy
changes are caused by
bond breaking and
bond forming in
chemical reactions.
-Define and explain
various types of heat
changes.
-carry out experiments
to determine &
enthalpy changes for
some reactions
KLB BK 4 pg
32-3 9
-Write correct simple
thermo chemical
equations
-state Hess’ law abd
carry out related
calculations.
-Relationship between
DH solution, DH salt
,DH hydr
-state and explain the
factors that influence
the choice of fuels.
-explain the
environmental
KLB BK 4 pg
56 – 59
KLB BK 4 pg
40 - 55
60-64
64-67
67-68
effects on fuels.
8
1
2-3
4&5
9
1
2&4
5
REACTION -Reaction rates
RATES &
REVERSIBLE
REACTION -Quantitative
S
treatment
factors affecting
the rate of a
reaction.
-methods used
to measure ratio
of chemical
reaction
Reversible
reactions
-effect if
different factors
on position of
equation
-uses in
industrial
processes eg
contact e Heber
presses
-Definition
-collision
theory
-Quantitative
treatment on effect of
concentration , temp,
s.Area light, catalyst
-Experiments eg.
Cuco3 + HCl
-Na2S203& HCl
mg & HCl
-H202 & catalyst.
-Equilibrium asa state
of balance eg. In
-acid – alkaline
-chlorate dichromate
hydrated CuSO4
Le Chamber
principal
-Define rate of a
reaction.
-explain the term
activation energy
-Describe some
methods used to
measure rates of
reaction.
-explain the effects of
different factors on
reaction rates.
-illustrate reaction rates
graphically
73-
-state examples of
simple reversible
reaction.
Explain chemical
equilibrium as a state
of balance.
-Explain the effect of
different factors on
position of equilibrium
as a state if balance.
-Explain the effect of
different factors on
position of equilibrium.
KLB BK 4
Pg 91-104
pg 82-91
-73-82
10
1
2-3
ELECTRO- Red ox
CHEMISTR reactions
Y
-oxidation
numbers
-displacement
reactions of
metals
4-5
Displacement
reactions in
halogens
11
12
1
Electrochemical
-cal cell
-Quantitive
treatment of the
electron flow in
zn/ zn3+ //
Cu2+ /Cu
-standard
electrode
potentials
-Dry cells
/Accumulators
fuel cells
Electron transfer –
Determination of
oxidation
No
-Redox reactions
using Fe2+ , Fe3+ with
H202
-Displacement
reactions
-Reducing power
M/M2+
Oxidizing power of
halogens and cl, Br
and I only.
-explain redox
reactions in terms of
gain or loss of e-identify changes in
O.N during redox
reactions
-write balanced redox
equations.
KLB BK 4
Pg 123141
Reactions of
metal/metal cation.
-Explain an
electrochemical cell in
terms of electron
transfer
-Draw cell diagrams
and write the cell
notation.
-Explain the
construction and
working of an
electrochemical cell.
-Compare oxidizing
and reducing power of
ions for displacement
reactions.
-calculate the EMF of
the cell given standard
potentials
KLB BK 4
Pg 123-141
13
1
2
3
4
5
-Electrolysis-factors
affecting
electrolysis
-preferential
discharge in
ions during
electrolysis
-Quantitative
treatment of
electrolysis
-Faradays first
law of
electrolysis
-Numerical
computations
-Applications of
electrolysis
-preferential
discharge of ions
during electrolysis.
-ionic equation for
reaction taking place
at electrodes.
-Factors affecting
electrolysis.
-Application of
electrolysis.
-Extraction of
metals.,
-Manufacture of
NaOH, Cl2,H2.
-Electrolysis of brine.
-Refining of copper.
-Electroplating
-state and explain the
factors that affect
preferential discharge
of ions during
electrolysis.
-Relate the quantity of
electricity passed to
amount of substances
liberated at electrodes.
-describe some
applications of
electrolysis.
KLB BK 4
Pg 141-154
Pg 154-155
Pg. 155-160
Pg 160-164
CHEMISTRY
FORM 4 TERM 2
SCHEMES OF WORK
WK
LESSON
TOPIC
SUB-TOPIC
CONTENT
1
1
METALS
Methods of
extraction
-electrolytic
production of
sodium and
aluminium and
zinc
-Chief ores of sodium
and aluminium
-electrolytic method
of extraction
-Electrolytic
extraction of zinc
Extraction of
metals by
reduction
method. E.g
iron, zinc, lead
and copper.
-Extraction of iron
copper. Zinc and lead
from their ores.
Properties of
metals
-physical properties
-chemical properties
e.g mpt,Bpt thermal
& electrical
conductivity
-density malleability
-Reaction with
water, cl2, dil. HCl
-Brass
-Bronze
-Steel
2
1
2-5
3
1
2
3-5
4
1-2
Uses of metals
and their alloys
Pollution effect
OBJECTIVES
-Name the chief ore of
some metals e.g Na and
Al
-Describe and explain
general method used in
extraction of metals
from their ores.
-select & describe
suitable method for
extraction of some
metals from the ores.
-Name the chief ore
from which metal is
extracted.
-Describe and explain
general method used in
extract of the metals by
reduction process.
-Describe and explain
physical and chemical
properties of some
metals
-state and explain
various uses of these
metals and their alloys.
LEARNING
ACTIVITIES
RESOURCES REMARKS
/REFERENCE
KLB
Chem Bk 4 pg
168-173
KLB
Chem Bk 4 pg
173-183
KLB
Chem Bk
183- 194
KLB
Chem Bk
194-197
3-5
5
1
2
of the industrial -duralumin
production of
uses of – Na, Al,&
the metals on
Zn, Fe and Cu
the environment
ORGANIC ALKANOLI
CHEMISTR properties
Y
3
4
5
6
1
2
ALKANOIC
ACIDS
(Carboxylic
acids)
3
4
5
7
1
2
3
4
Detergents
-soapy
detergents
-preparation
-mode of action
of soap in
cleansing.
-Describe the effect of
the industrial
production processes of
the metals on the
environment.
-General formula
-Name and draw the
-Nomenclature
structures of simple
-preparations
alkanols.
-hydrolysis of alkenes -Describe the
-fermentation
preparation & explain
-physical properties -- the physical &
-chemical properties
chemical properties of
-uses
alkanols.
-state the main features
of the homologous
series.
-state & explain uses of
some alkanols.
-General formulae
- Name & draw the
-Nomenclature
structure of simple
-Preparation
almanac acids.
oxidation of alcohols. -Describe the
-physical prop.
preparation & explain
-hydrogen’s bonding the physical &
in organic acid.
chemical properties of
-chemical reactions
carboxylic acids.
esterification
-Homologous series –
Uses of carboxylic
acids ester(up[ to 2
carbons only
-soapy detergent
-lab preparation
Hydrolysis of fats.
-mode of action .
-water hardness
-pollution effort
-manufacture.
-Describe the
preparation
properties & uses of
detergents
-explain effect of hard
water or detergents
-pg 203-206
KLB
Chem Bk
197 -198
KLB
Chem Bk
203-218
210-212
-212-213 – 218
-318-219
KL:B BBK 4
Pg. 219 - 227
KL:B BBK 4
Pg. 227 - 238
8
5
1
2
3
4
9
5
1&2
RADIO ACTIVITY
3
4
5
10
1
-soapless
detergents
Polymers.
-name of some
naturally
polymers &
fibres
-Synthetic
polymer &
fibres-synthetic
rubber
-advantages &
disadvantages
of synthetic
polymers &
fibres
Uses of
polymers &
fibres
-Stability of
isotopes.
-Radioactivity
radiations.
- Radioactive
decay
-Half life
-Nuclear
reactions
-mode of action
-pollution effect
-Name some natural
fibres and polymers.
-cellulose
rubber & valences
-Name synthetic
polymers e.g P.V.C
Polythene,. Nylon,
Perspex
-uses of polymers
-stability of isotopes .
Radiations & B & P
radiations
Characteristics
-half life calculators.
-change in the
nucleus due to a, B &
y decay
Nucleus fission & fusion
-Applications
-As some of the
energy
-List some natural
synthetic polymers
fibres and state their
uses.
-Describe the prep.
Properties and uses of
some synthetic
polymers.
-Identify the structure
of the polymer given
the monomer.
-state advantages &
disadvantages of
synthetic materials over
natural fibres in terms
of structure &
properties.
KL:B BBK 4
Pg. 238- 243
-Define radioactivity
half-life radi0 isotope
and nuclides
-state types of
radioactivity.
-Name particles
emitted during decay
and state the properties
.
-Carry out simple
calculations involving
half-life.
-Write balanced
nucleus reactions.
-Distinguish between
nuclear fusion & fusion
-state uses of some
readioi9sotopes.
KL:B BBK 4
Pg. 249 257
KL:B BBK 4
Pg 257-263
-Pollution effect
of radioactivity.
-Quantitative
treatment
-in chemistry
-in medicane
carbon dating in
agriculture
-Dangers of radius
(isotopes)
environmental
pollution
Chernobyl disaster
-state dangers
associated with radio
activity.`