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Useful Resources

Important Chemical Reactions

Halogenation by Electrophilic Addition Reactions in Alkenes

Single and Double Replacement Reactions and Net Ionic Reactions

How to Draw Lewis Dot Structure


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IB Chemistry Exam


Assessment in the IB Chemistry exam is by means of examination and practical for both higher and standard level chemistry courses.

Examination weightage 76%
Practical work weightage 24%

Examination (Higher Level)


There are three papers:

Paper 1 Multiple choice 20%
Paper 2 Structured questions 36%
Paper 3 Options questions 20%
  Total 76%

Paper 1 (High Level) : Duration - 1 hour. The paper consists of 40 multiple choice questions. Calculators are not allowed. A periodic table is provided


Paper 2 (High Level) : Duration - 2 hours 15 minutes. The paper consists of five structured questions and a choice of two from four longer answer questions. Calculators are allowed and a data booklet is provided


Paper 3 (High Level) : Duration - 1 hour 15 minutes The paper consists of three questions form each of two selected options. The paper presents eight option choices. Calculators are allowed and data booklets are provided.



Examination (Standard Level)


There are three papers:

Paper 1 Multiple choice - 20%
Paper 2 Structured questions - 36%
Paper 3 Options questions - 20%
  Total - 76%

Paper 1 (Standard Level) : Duration - 45 minutes The paper consists of 30 multiple choice questions. Calculators are not allowed. A periodic table is provided


Paper 2 (Standard Level) : Duration - 1 hours 15 minutes The paper consists of some structured questions and a choice of one from three longer answer questions. Calculators are allowed and a data booklet is provided


Paper 3 (Standard Level) : Duration - 1 hour The paper consists of two questions from each of two selected options. The paper presents eight option choices. Calculators are allowed and data booklets are provided.


Final grades


The final grade awarded for an IB subject is from 1-7. The schools receive a breakdown of the grade achieved in each part of the exam.


Few Questions on Stoichiometry you can attempt here

Stoichiometry Quiz

 

IB Chemistry Syllabus


CORE LEVEL


Topic 1: Stoichiometry (Core Level)

  1. Mole concept and Avogadro's constant
  2. Formulas
  3. Chemical equations
  4. Moles and gaseous volume relationships in chemical 
  5. Reactions
  6. Solutions

Topic 2: Atomic theory (Core Level)

  1. The atom
  2. The mass spectrometer
  3. Electron arrangement

Topic 3: Periodicity (Core Level)

  1. The periodic table
  2. Physical properties
  3. Chemical properties

Topic 4: Bonding (Core Level)

  1. Ionic bonding
  2. Covalent bonding
  3. Intermolecular forces
  4. Metallic bonding
  5. Physical properties

Topic 5: Energetics (Core Level)

  1. Exo and endothermic reactions
  2. Calculation of enthalpy changes
  3. Hess' law
  4. Bond enthalpies

Topic 6: Kinetics (Core Level) - Summary

  1. Rates of reaction
  2. Collision theory

Topic 7: Equilibrium (Core Level)

  1. Dynamic equilibrium
  2. The position of equilibrium

Topic 8: Acids and Bases (Core Level)

  1. Theories of acids and bases
  2. Properties of acids and bases
  3. Strong and weak acids and bases
  4. The pH scale

Topic 9: Oxidation and reduction (Core Level)

  1. Introduction to oxidation and reduction
  2. Redox equations
  3. Reactivity
  4. Voltaic cells
  5. Electrolytic cells

Topic 10: Organic chemistry (Core Level) - Summary

  1. Introduction
  2. Alkenes
  3. Alkenes
  4. Alcohols
  5. Haloalkanes
  6. Reaction pathways

Topic 11: Measurement and Data processing

  1. Uncertainty and error in measurement
  2. Uncertainty in calculated results
  3. Graphical techniques



HIGH LEVEL


Topic 12: Atomic Structure (High Level) -

  1. Electron configuration

Topic 13: Periodicity (High Level) -

  1. Trends across period 3
  2. First row "d" block elements

Topic 14: Bonding (High Level)

  1. Shapes of molecules and ions
  2. Hybridization
  3. Delocalisation of electrons

Topic 15: Energetics (High Level)

  1. Standard enthalpy changes of reaction
  2. Born-Haber cycle
  3. Entropy
  4. Spontaneity

Topic 16: Kinetics (High Level) - summary

  1. Rate expression
  2. Reaction mechanism
  3. Activation energy

Topic 17: Equilibrium (High Level)

  1. Liquid-vapour equilibrium
  2. The equilibrium law

Topic 18: Acids and Bases (High Level)

  1. Calculations involving acids and bases
  2. Buffer solutions
  3. Salt hydrolysis
  4. Acid-base titrations
  5. Indicators

Topic 19: Oxidation and Reduction(High Level)

  1. Standard electrode potentials
  2. Electrolysis

Topic 20: Organic Chemistry (High Level) - Summary

  1. Introduction
  2. Nucleopshilic substitution reactions
  3. Elimination reactions
  4. Condensation reactions
  5. Reaction pathways
  6. Stereoisomerism