SCH4U Exam Outline / Review
Exam
40 Multiple Choice
5 – 10 short answer (this includes orgo work)
19 Long answers (calculations, larger questions)
Unit 1: Structure and Property
1. Schrodinger’s Atomic Model
a. AUF BAU filling order, orbital box diagrams
2. Hybridization (sp3)
a. Sigma and Pi bonds
b. Labelling sigma and pi bonds and determining hybridization of atoms in a molecule
3. Lewis Structure Diagrams
a. How to draw them, determine # of bonds and lone pairs
b. AXE
4. VSEPR theory
a. Electron and molecular geometry
b. Polarity
5. Intermolecular Forces
a. Dipole – dipole, Hydrogen Bonding, London Forces
b. How they affect boiling and melting points
6. Types of solids and VERY general properties
a. Network solids, metallic, ionic, covalent (molecular) polar, covalent non-polar
i. Hint - if you know how strong their intermolecular forces are and understand
the importance of intermolecular forces you will be fine
Textbook Review Questions:
Pg. 220#12, Pg. 225 ‘Drawing Lewis Structures’, Pg. 229 #10, pg. 230 #4, Pg. 235 # 8 – 10, Pg. 249 # 11,
Pg. 256 #1,2, Pg. 260 #1 – 4, Pg. 266# 1 – 4Pg. 274 #7, pg. 282 # 1,2,8,9,10, 11,14, 17, 19, 22
Unit 2: Thermochemistry and Rates of Reactions
1. Endothermic / Exothermic Reactions
a. How are they represented in a chemical equation as a reactant, product and outside the
equation.
b. What is the difference between the two
c. How do they appear on an energy profile diagram
2. Heats of Reaction
a. Understand how to use it stoichiometrically and what it means
3. Heats of Combustion, Formation, Dissolution etc.
a. What does it mean
b. How do these relate to a heat of reaction in a balanced chemical equation
4. Heat Calculations
a. Determining Heat absorbed / released during a temperature change Q=mcΔt
b. Determining heat absorbed / released during a change of state Q=mh
5. Calorimetry Questions
a. Set up
b. Know how to determine what is being asked and how to apply the information to a
chemical equation
6. Hess’ Law
a. Know how to do it!
7. Factors Affecting Rates of Reactions
a. Temp, Concentration, Surface Area, Catalyst,
b. Connection to kinetic molecular and collision theory
8. Rate Law
a. What is the rate law for a single step reaction
b. How to determine rate law using Rf/Ri = Cf/Ci given experimental data (you have a how
to sheet for this
c. How to determine rate law using
d. Connection between experimental data and a series of steps that have been labelled
fast and slow
e. How do determine rate law given a series of steps in a reaction where the slow step is
labelled (make sure you know what an intermediate is)
Textbook Review Questions: pg. 302 #8-13, Pg. 305#1, Pg. 310-11 #4,5, 7, 9a, Pg. 312#1-3,
Pg. 319 #2,3, Pg. 326# 1 – 3, Pg. 329 # 4, 5 Pg. 356#2,4,5,8, 16, Pg. 377#6 – determine the rate
law given the experimental data –ignore the textbook questions ust use the data to get rate law,
Pg. 397 #5a,b, Pg. 414 – 415 # 1-6, 12, 15d (rate equation = rate law),
Unit 3: Chemical Equilibrium (this includes Ke, Ksp and Ka/Kb)
1. LeChatelier’s Principle
a. Know the different stresses and how they will affect the reaction (be able to identify in
which direction the reaction will go)
b. LeChatelier’s principle visually
i. Explain what you will see when a stress in put on a reaction where the products
and reactants are 2 different colours.
c. Ke calculations – determining Ke, x or amount added or taken away
i. Straight forward
ii. At equlibirum and then bring on the stress
d. Ksp calculations – determining Ksp, y or x (all are viable options)
i. Straight forward
ii. Common ion
iii. Precipitate questions – will one form when 2 solutions mixed together
e. Ka/Kb calculations
i. Determining pH of a weak acid/#base, a conjugate salt or determining
concentration of the conjugate salt, or WA or WB (working backwards)
ii. Determine pH of a titration with a weak acid or base , or determining
concentration of the initial reactants (working backwards)
Textbook Review Questions: LeChatelier and Ke Pg. 437 # 6, 7, 3a,4a, Pg. 442-445 # 1 – 5, Pg. 457 # 1 –
6, Pg. 459 # 2 - 5 (don’t draw graphs just explain), Pg. 466 # 3,4, Pg. 472 #5,6, Pg. 476 #7, 8, Ksp Pg. 481
# 3a,b, 4, 5, 6 a,b, Pg. 486# 1 – 5, Pg. 489# 5, Pg. 492# 7 – 11, Pg. 493#2,7, 8, 10, 11, Pg. 523#5, 6, 7, 1013, 17, Ka/Kb Pg. 532#1, Pg. 579 #6, 8, 13, 16, 17, 18 pg. 588 #1-5, Pg. 607#4 pg. 608 #6, Pg. 613# 2
*there are no bring on the stress Ke questions in the textbook (we are just that smart) so you will need
to review questions in the booklet for this
Unit 4: Redox Reactions
1.
2.
3.
4.
Identify oxidation numbers
Identify what is being Reduced / oxidised, and what is the reducing agent, and oxidizing agent
Determine spontaneity of a reaction using E knot values
Galvanic Cell
a. Anode, cathode, salt bridge, electron flow
5. Balancing equations in acidic and basic solutions
Textbook Review Questions: Pg. 653# 1a-d, 2 Pg. 656-657#8,9 Pg. 659 # 12 – 15a, Pg. 662#18, 19, Pg.
663# 2, 5, 6,7, Pg. 668#2,3 Pg. 679#14, pg. 680#23 Pg. 700#2,3,5,6, 7, Pg. 708 #11, Pg. 709#1,2, Pg. 726#
1,3,4, 6, 8, 10,
Unit 5: Organic Chemistry
1. Naming for all alkanes, alkenes, alkynes, alcohols, aldehydes, ketones, ethers, carboxylic acid,
esters, amines and amides
2. General properties of all of the above
3. Reactions
a. Be able to identify type of reaction
b. Determine reactants OR products given the products or reactants (you will be given the
catalyst if you are determining products given the reactants, if you are given the
products and you have to give the reactants you will also need to give the catalyst)
Textbook Review Questions: Pg. 15-21 #1-3,5,6 -8, pg. 22 #1 – 4, Pg. 27# 1-3 Pg. 31#2,3, Pg. 37#6, 1,2
Pg. 41#1,2 pg. 46#11 Pg. 51#1-3, Pg. 56# 6,7 Pg. 60#1,2 Pg. 66#11,12 Pg. 68#1,2 Pg. 72#2,3 Pg. 76#4,5,6