Chemistry 4 (IAL) WCH14 past papers & revision

WCH14

Jan 2026 · Level 1 · Variant A

Edexcel · with mark scheme

WCH14

Jan 2026 · Level 1

Edexcel · with mark scheme

WCH14

Nov 2025 · Level 1 · Variant R

Edexcel · with mark scheme

WCH14

Nov 2025 · Level 1

Edexcel · with mark scheme

WCH14

Jun 2025 · Level 1

Edexcel · with mark scheme

WCH14

Jan 2025 · Level 1

Edexcel · with mark scheme

WCH14

Nov 2024 · Level 1

Edexcel · with mark scheme

WCH14

Jun 2024 · Level 1

Edexcel · with mark scheme

WCH14

Jan 2024 · Level 1

Edexcel · with mark scheme

WCH14

Nov 2023 · Level 1

Edexcel · with mark scheme

WCH14

Jun 2023 · Level 1

Edexcel · with mark scheme

WCH14

Jan 2023 · Level 1

Edexcel · with mark scheme

Kinetics

Notes, flashcards & questions

Kinetic Rates

Notes, flashcards & questions

Entropy - Introduction

Notes, flashcards & questions

Born-Haber Cycles - Key Terms

Notes, flashcards & questions

Equilibrium Constant, Kc

Notes, flashcards & questions

Brønsted–Lowry Acid & Base Theory

Notes, flashcards & questions

Chirality in Optical Isomers

Notes, flashcards & questions

Carbonyls

Notes, flashcards & questions

Carboxylic Acids

Notes, flashcards & questions

High Resolution Mass Spectrometry

Notes, flashcards & questions

Entropy

Notes, flashcards & questions

Rate Equations & Orders

Notes, flashcards & questions

Entropy Changes

Notes, flashcards & questions

Born-Haber Cycles

Notes, flashcards & questions

Equilibrium Constant, Kp

Notes, flashcards & questions

pH

Notes, flashcards & questions

Racemates & Optical Activity

Notes, flashcards & questions

Reactions of Carbonyls

Notes, flashcards & questions

Preparation of Carboxylic Acids

Notes, flashcards & questions

Carbon-13 NMR Spectroscopy

Notes, flashcards & questions

Energetics

Notes, flashcards & questions

Reaction Orders - Graphs

Notes, flashcards & questions

Total Entropy

Notes, flashcards & questions

Polarisation

Notes, flashcards & questions

Equilibrium Constant & Conditions

Notes, flashcards & questions

Acid Strength

Notes, flashcards & questions

Mechanisms & Optical Activity

Notes, flashcards & questions

Reactions of Carboxylic Acids

Notes, flashcards & questions

Low Resolution Proton NMR

Notes, flashcards & questions

Chemical Equilibria

Notes, flashcards & questions

Obtaining Rate Data

Notes, flashcards & questions

Reaction Feasibility

Notes, flashcards & questions

Enthalpy of Solution - Key Terms

Notes, flashcards & questions

Equilibrium Constant & Temperature

Notes, flashcards & questions

pH Calculations of Acids

Notes, flashcards & questions

Acyl Chlorides & Esters

Notes, flashcards & questions

High Resolution Proton NMR

Notes, flashcards & questions

Acid-base Equilibria

Notes, flashcards & questions

Initial-Rate Method

Notes, flashcards & questions

Enthalpy of Solution - Calculations

Notes, flashcards & questions

Equilibrium Constant & Entropy

Notes, flashcards & questions

Ionic Product of Water

Notes, flashcards & questions

Acid & Alkaline Hydrolysis of Esters

Notes, flashcards & questions

Chromatography - TLC

Notes, flashcards & questions

Organic Chemistry: Chirality

Notes, flashcards & questions

Continuous Monitoring Method

Notes, flashcards & questions

Enthalpy of Solution - Ionic Charge & Radius

Notes, flashcards & questions

Analysing pH Data

Notes, flashcards & questions

Forming Polyesters

Notes, flashcards & questions

Chromatography - HPLC & GC

Notes, flashcards & questions

Organic Chemistry: Carbonyls

Notes, flashcards & questions

Rate-Determining Steps from Equations

Notes, flashcards & questions

Titration Curves

Notes, flashcards & questions

Organic Chemistry: Carboxylic Acids

Notes, flashcards & questions

Reaction Mechanisms

Notes, flashcards & questions

Buffers

Notes, flashcards & questions

Organic Analytical Techniques

Notes, flashcards & questions

Buffer Calculations

Notes, flashcards & questions

Activation Energy & Arrhenius

Notes, flashcards & questions