A-Level Chemistry (OCR)

Course Overview 课程介绍

OCR A-Level 化学 A，线性结构，6 个模块涵盖无机、有机、物理化学与过渡元素。

OCR A-Level Chemistry A (H432) is a linear two-year course assessed by three written papers at the end of Year 13, plus a teacher-assessed practical endorsement. OCR A-Level has moved to a linear structure since 2015, so all exams are taken at the end of the course. It is organised into six modules spanning foundations, the periodic table and energy, core organic chemistry, physical chemistry, the transition elements, and organic chemistry and analysis. A core subject for chemistry, medicine, chemical engineering, pharmacy and biosciences applicants.

Key Facts 基本信息

Exam Board (考试局)	Oxford, Cambridge and RSA Examinations (OCR)
Specification Code (代码)	H032 (AS) / H432 (A-Level)
Structure (结构)	Linear (since 2015); AS is a standalone qualification and does not count towards A-Level
Grading (评分)	A* - E (A* only for full A-Level)
Exam Papers (试卷)	A-Level: Paper 1/2/3 · AS: Breadth/Depth
Practical Endorsement (实验)	Practical endorsement in chemistry (04), non-exam assessment, reported as Pass/Not Classified

AS / Year 1 Syllabus AS 阶段章节

ASModule 1: Development of Practical Skills in Chemistry

Practical skills assessed in a written examination and in the practical endorsement; planning, implementing, analysis and evaluation
ASModule 2: Foundations in Chemistry

Atoms, compounds, molecules and equations, amount of substance, acid-base and redox reactions, bonding and structure
ASModule 3: Periodic Table and Energy

The periodic table and periodicity, group 2 and group 7, qualitative analysis, enthalpy changes, rates and equilibrium
ASModule 4: Core Organic Chemistry

Basic concepts, hydrocarbons, alcohols and haloalkanes, organic synthesis, analytical techniques (IR and MS)

A2 / Year 2 Syllabus A2 阶段章节

A2Module 5: Physical Chemistry and the Transition Elements

Rates and equilibrium, pH and buffers, enthalpy, entropy and free energy, redox and electrode potentials, transition elements
A2Module 6: Organic Chemistry and Analysis

Aromatic compounds, carbonyls, carboxylic acids and esters, amines, amino acids and polymers, organic synthesis, chromatography and NMR spectroscopy

Exam Structure (OCR H432) 考试结构

Paper 1 (Periodic table, elements and physical chemistry)	A-Level · Modules 1, 2, 3, 5 · 2h15m · 100 marks · 37%
Paper 2 (Synthesis and analytical techniques)	A-Level · Modules 1, 2, 4, 6 · 2h15m · 100 marks · 37%
Paper 3 (Unified chemistry)	A-Level · All modules (synoptic) · 1h30m · 70 marks · 26%
Practical Endorsement	A-Level · Non-exam assessment · Pass / Not Classified
AS Breadth (01)	AS · All four modules · 1h30m · 70 marks · 50% of AS
AS Depth (02)	AS · All four modules · 1h30m · 70 marks · 50% of AS

Suitable Majors & Pathway 适用专业与衔接

化学、医学、药学、化工与生命科学的核心科目，实验技能与分析能力并重。

A-Level Chemistry is essential for chemistry, medicine, dentistry, pharmacy, chemical engineering, veterinary science, biomedical sciences and many bioscience degrees. It is frequently a required subject for medical school applications in the UK. The course develops strong analytical and laboratory skills, quantitative reasoning, and an understanding of molecular processes that underpin both physical and life sciences.