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IB Chemistry HL - 2024
Questionbank

The IB Chemistry HL (Higher Level) 2024 Questionbank is a great source of practice questions, coming from the entire syllabus! Each question comes with a clear markscheme and solution video, with an experienced IB teacher going through the question step-by-step. The questions are organized by topic and arranged by difficulty, making it the perfect resource for studying a particular concept.

Topic 1

Stoichiometric Relationships

Topic 1 All

All Questions in Topic 1 Stoichiometric Relationships

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1.1 - Matter & Chemical Change

Elements, Compounds, Mixtures, Balancing Chemical Equations, States of Matter at a Particle Level, Changes of State

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1.2 - The Mole Concept

Moles, Molar Mass, Mass, Molecular Formula, Empirical Formula

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1.3 - Reacting Masses and Volumes

Experimental, Percentage & Theoretical Yields, Limiting Reagent, Avogadro's Law, Ideal Gas Equation, Real Gases

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Topic 2

Atomic Structure

Topic 2 All

All Questions in Topic 2 Atomic Structure

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2.1 - The Nuclear Atom

Atomic Structure, Subatomic Particles, Isotopes, Atomic Number, Mass Number, Mass Spectra Analysis

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2.2 - Electron Configuration

Hydrogen Emission Spectra, Wavelength, Frequency, Energy, Full & Condensed Electron Configuration, Orbital Diagrams

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Topic 3

Periodicity

Topic 3 All

All Questions in Topic 3 Periodicity

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3.1 - Periodic Table

PT Structure, Metals, Non-Metals, Metalloids, Electron Configuration of an Atom & its Element’s Position on the PT

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3.2 - Periodic Trends

Atomic Radius, Ionic Radius, Ionization Energy, Electron Affinity, Electronegativity, Oxides of Metals & Non-Metals

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Topic 4

Chemical Bonding & Structure

Topic 4 All

All Questions in Topic 4 Chemical Bonding & Structure

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4.1 - Ionic Bonding & Structure

Ionic Compounds, Polyatomic Ions, Ionic Bonding, Electrostatic Attraction between Oppositely Charged Ions

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4.2 - Covalent Bonding

Single, Double, & Triple Covalent Bonds, Bond Length, Bond Strength (Bond Enthalpy), Bond Polarity

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4.3 - Covalent Structures

Lewis Structures, VSEPR, Electron Domains, Molecular Geometry, Bond Angles, Giant Molecules, Resonance, Coordinate Bonds

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4.4 - Intermolecular Forces

London Forces, Dipole–Dipole Forces, Hydrogen Bond, Covalent Compounds (Properties, Structure, Intermolecular Forces)

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4.5 - Metallic Bonding

Metallic Bond (Definition & Strength), Metals (Conductivity, Malleability, Melting Points Trend), Alloys & Properties

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Topic 5

Energetics / Thermochemistry

Topic 5 All

All Questions in Topic 5 Energetics / Thermochemistry

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5.1 - Measuring Energy Changes

Endothermic & Exothermic Reactions, Enthalpy Change, Specific Heat Capacity, Calorimetry, Enthalpy of Combustion

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5.2 - Hess's Law

Hess's Law, Enthalpy of Reaction, Enthalpy of Formation, Enthalpy Cycle

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5.3 - Bond Enthalpies

Average Bond Enthalpy, Potential Energy Profiles, Bond Strength in Ozone Relative to Oxygen

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Topic 6

Chemical Kinetics

Topic 6 All

All Questions in Topic 6 Chemical Kinetics

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6.1 - Collision Theory and Rates of Reaction

Kinetic Theory, Activation Energy, Reaction Rate, Rate Experiments, Maxwell-Boltzmann, Energy Profiles

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Topic 7

Equilibrium

Topic 7 All

All Questions in Topic 7 Equilibrium

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7.1 - Equilibrium

Equilibrium Law, Equilibrium Constant, Reaction Quotient, Catalyst & Equilibrium, Le Chatelier's Principle

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Topic 8

Acids & Bases

Topic 8 All

All Questions in Topic 8 Acids & Bases

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8.1 - Theories of Acids & Bases

Bronsted-Lowry Acid, Bronsted-Lowry Base, Amphiprotic Species, Conjugate Acid-Base Pair

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8.2 - Properties of Acids & Bases

Acids with Metals, Metal Oxides, Metal Hydroxides & Hydrogen Carbonates, Neutralization, Acid-Base Titration, Indicators

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8.3 - The pH Scale

pH Calculations, Ionic Product Kw, pH Meter

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8.4 - Strength of Acids & Bases

Properties of Strong Acids & Bases, Properties of Weak Acids & Bases

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8.5 - Acid Deposition

Acid Deposition, Pre- & Post-Combustions, Sulfur & Nitrogen Oxides

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Topic 9

Redox Processes

Topic 9 All

All Questions in Topic 9 Redox Processes

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9.1 - Oxidation & Reduction

Redox Reactions & Titration, Oxidizing & Reducing Agents, Oxidation Number, Activity Series, Transition Metals Compounds

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9.2 - Electrochemical Cells

Voltaic & Electrolytic Cells, Electroplating, Electrolysis of Molten Salts & Aqueous Solutions, Cell Potential

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Topic 10

Organic Chemistry

Topic 10 All

All Questions in Topic 10 Organic Chemistry

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10.1 - Fundamentals of Organic Chemistry

Homologous Series, Structural Isomers, Functional Groups, Saturated & Unsaturated Compounds, IUPAC

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10.2 - Functional Groups

Free Radical & Nucleophilic Substitutions, Addition, Oxidation, Complete & Incomplete Combustions, Polymers

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Topic 11

Measurement & Data Processing

Topic 11 All

All Questions in Topic 11 Measurement & Data Processing

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11.1 - Uncertainties & Errors in Measurement & Results

Random & Systematic Errors, Precision & Accuracy, Percentage Error, Uncertainties, Significant Figures

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11.2 - Graphical Techniques

Independent & Dependent Variables, Graph Analysis & Interpretation of Experimental Results, Plot Graphs

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11.3 - Spectroscopic Identification of Organic Compounds

Index of Hydrogen Deficiency, MS, IR Spectroscopy, Proton Nuclear Magnetic Resonance Spectroscopy (1H NMR), EMS

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Topic 12

Atomic Structure (HL)

Topic 12 All

All Questions in Topic 12 Atomic Structure (HL)

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12.1 - Electrons in Atoms

Ionization Energies, Analysis of Ionization Energy Data (Patterns, Trends across a Period), E = hf

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Topic 13

The Periodic Table - the Transition Metals (HL)

Topic 13 All

All Questions in Topic 13 The Periodic Table - the Transition Metals (HL)

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13.1 - First-Row D-Block Elements

Characteristics & Properties of Transition Elements, Coordinate Bond & Ligands

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13.2 - Coloured Complexes

Color of the Transition Metal Ion Complexes, Splitting D-Orbitals, Splitting of 3D Orbitals in Octahedral Crystal Field

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Topic 14

Chemical Bonding & Structure (HL)

Topic 14 All

All Questions in Topic 14 Chemical Bonding & Structure (HL)

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14.1 - Covalent Bonding, Electron Domain, and Molecular Geometries

Sigma & Pi Bonds, FC, Incomplete & Expanded Octet, Resonance, VSEPR Theory for 5 & 6 Electron Domains, Ozone Depletion

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14.2 - Hybridization

sp3, sp2, & sp Types of Hybridization

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Topic 15

Energetics / Thermochemistry (HL)

Topic 15 All

All Questions in Topic 15 Energetics / Thermochemistry (HL)

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15.1 - Energy Cycles

Born-Haber Cycle, Enthalpy of Solution, Hydration Enthalpy, Lattice Enthalpy, Ionization, Atomization, Electron Affinity

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15.2 - Entropy & Spontaneity

Gibbs Free Energy, Entropy

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Topic 16

Chemical Kinetics (HL)

Topic 16 All

All Questions in Topic 16 Chemical Kinetics (HL)

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16.1 - Rate Expression & Reaction Mechanism

Reaction Order & Mechanism, Rate Equation, Rate-Determining Step, Graph Analysis for Zero, First, and Second Order

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16.2 - Activation Energy

Arrhenius Equation, Energy Level Diagrams, Graph Analysis of Reaction Rate

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Topic 17

Equilibrium (HL)

Topic 17 All

All Questions in Topic 17 Equilibrium (HL)

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17.1 - The Equilibrium Law

Le Chatelier's Principle & Equilibrium, Gibbs Free Energy & Equilibrium, Total Free Energy Progress

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Topic 18

Acids & Bases (HL)

Topic 18 All

All Questions in Topic 18 Acids & Bases (HL)

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18.1 - Lewis Acids & Bases

Lewis Acids, Lewis Bases, Reaction Between a Lewis Acid & a Lewis Base, Nucleophile, Electrophile

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18.2 - Calculations Involving Acids & Bases

Dissociation Constant of a Weak Acid Ka, Dissociation Constant of a Weak Base Kb, pKa, pKb, Ka×Kb = Kw, pOH

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18.3 - pH Curves

Acid-Base Titration pH vs Volume Graph Analysis, Acid-Base Indicator, Buffers, Buffer Region, pH of Salt Solutions

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Topic 19

Redox Processes (HL)

Topic 19 All

All Questions in Topic 19 Redox Processes (HL)

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19.1 - Electrochemical Cells

Voltaic & Electrolytic Cells, Electroplating, Electrolysis of Molten Salts & Aqueous Solutions, Cell Potential

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Topic 20

Organic Chemistry (HL)

Topic 20 All

All Questions in Topic 20 Organic Chemistry (HL)

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20.1 - Types of Organic Reactions

SN1 & SN2 Mechanisms, Electrophilic Addition & Substitution, Reduction, Markovnikov's Rule, Halogenoalkanes

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20.2 - Synthetic Routes

Multi-Step Synthetic Routes (Reagents, Products, Functional Groups), Retro-Synthesis

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20.3 - Stereoisomerism

Stereoisomer, Cis-Trans, E/Z, & Optical Isomers, Chirality, Optical Activity, Enantiomer, Diastereomer, Racemic Mixture

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Topic 21

Measurement & Analysis (HL)

Topic 21 All

All Questions in Topic 21 Measurement & Analysis (HL)

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21.1 - Spectroscopic Identification of Organic Compounds (HL)

X-Ray Crystallography, IR, MS & 1HNMR (Chemical environments, Splitting patterns), TMS

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More IB Chemistry HL - 2024 Resources

Questionbank

All the questions you could need! Sorted by topic and arranged by difficulty, with mark schemes and video solutions for every question.

Practice Exams

Choose your revision tool! Contains topic quizzes for focused study, Revision Village mock exams covering the whole syllabus, and the revision ladder to precisely target your learning.

Key Concepts

Helpful refreshers summarizing exactly what you need to know about the most important concepts covered in the course.

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Past Papers

Full worked solutions to all past paper questions, taught by experienced IB instructors.