Pearson Edexcel International
AS/A Level Chemistry
WCH12/01
UNIT 2: Energetics, Group
Chemistry, Halogenoalkanes and
Alcohols
January 2026
Official Question Paper
,Wch12 01 QUESTION PAPER - EDEXCEL
EXAM
Chemistry (Pearson Edexcel)
, Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Thursday 15 January 2026
Afternoon (Time: 1 hour 30 minutes) Paper
reference WCH12/01
Chemistry ▲ ▲
International Advanced Subsidiary/Advanced Level
UNIT 2: Energetics, Group Chemistry,
Halogenoalkanes and Alcohols
You must have: Total Marks
Scientific calculator, Data Booklet, ruler
Instructions
•• Use black ink or ball-point pen.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• centre
Fill in the boxesand
number at candidate
the top of this page with your name,
number.
•• Answer
Answer all
thequestions.
questions in the spaces provided
– there may be more space than you need.
Information
•• The total mark for this paper is 80.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• Instructure
the question marked with an asterisk (*), marks will be awarded for your ability to
your answer logically, showing how the points that you make are related or
follow on from each other where appropriate.
• A Periodic Table is printed on the back cover of this paper.
Advice
•• Read each question carefully before you start to answer it.
Show all your working in calculations and include units where appropriate.
•• Try to answer every question.
Check your answers if you have time at the end.
Turn over
P79051A
©2026 Pearson Education Ltd.
C:1/1/1/
AS/A Level Chemistry
WCH12/01
UNIT 2: Energetics, Group
Chemistry, Halogenoalkanes and
Alcohols
January 2026
Official Question Paper
,Wch12 01 QUESTION PAPER - EDEXCEL
EXAM
Chemistry (Pearson Edexcel)
, Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Thursday 15 January 2026
Afternoon (Time: 1 hour 30 minutes) Paper
reference WCH12/01
Chemistry ▲ ▲
International Advanced Subsidiary/Advanced Level
UNIT 2: Energetics, Group Chemistry,
Halogenoalkanes and Alcohols
You must have: Total Marks
Scientific calculator, Data Booklet, ruler
Instructions
•• Use black ink or ball-point pen.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• centre
Fill in the boxesand
number at candidate
the top of this page with your name,
number.
•• Answer
Answer all
thequestions.
questions in the spaces provided
– there may be more space than you need.
Information
•• The total mark for this paper is 80.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• Instructure
the question marked with an asterisk (*), marks will be awarded for your ability to
your answer logically, showing how the points that you make are related or
follow on from each other where appropriate.
• A Periodic Table is printed on the back cover of this paper.
Advice
•• Read each question carefully before you start to answer it.
Show all your working in calculations and include units where appropriate.
•• Try to answer every question.
Check your answers if you have time at the end.
Turn over
P79051A
©2026 Pearson Education Ltd.
C:1/1/1/