Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
CHEMISTRY
Paper 3
Monday 15 June 2026 Morning Time allowed: 2 hours
Materials For Examiner’s Use
For this paper you must have:
• the Periodic Table/Data Booklet, provided as an insert (enclosed) Question Mark
• a ruler with millimetre measurements 1
• a scientific calculator, which you are expected to use where appropriate.
2
Instructions 3
• Use black ink or black ball-point pen. 4
• Fill in the boxes at the top of this page.
5
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside 6
the box around each page or on blank pages. Section B
• If you need extra space for your answer(s), use the lined pages at the end of
this book. Write the question number against your answer(s). TOTAL
• All working must be shown.
• Do all rough work in this book. Cross through any work you do not
want to be marked.
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 90.
Advice
• You are advised to spend 70 minutes on Section A and 50 minutes on Section B.
*JUN267405301*
7405/3
for more:
IB/M/Jun26/G4005/E9
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 This question is about the laboratory preparation of aspirin.
Aspirin is made by reacting 2-hydroxybenzenecarboxylic acid with ethanoic anhydride.
Concentrated phosphoric acid is used as the catalyst.
0 1 . 1 Draw the displayed formula for ethanoic anhydride.
[1 mark]
*02* for more:
IB/M/Jun26/7405/3
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
CHEMISTRY
Paper 3
Monday 15 June 2026 Morning Time allowed: 2 hours
Materials For Examiner’s Use
For this paper you must have:
• the Periodic Table/Data Booklet, provided as an insert (enclosed) Question Mark
• a ruler with millimetre measurements 1
• a scientific calculator, which you are expected to use where appropriate.
2
Instructions 3
• Use black ink or black ball-point pen. 4
• Fill in the boxes at the top of this page.
5
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside 6
the box around each page or on blank pages. Section B
• If you need extra space for your answer(s), use the lined pages at the end of
this book. Write the question number against your answer(s). TOTAL
• All working must be shown.
• Do all rough work in this book. Cross through any work you do not
want to be marked.
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 90.
Advice
• You are advised to spend 70 minutes on Section A and 50 minutes on Section B.
*JUN267405301*
7405/3
for more:
IB/M/Jun26/G4005/E9
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 This question is about the laboratory preparation of aspirin.
Aspirin is made by reacting 2-hydroxybenzenecarboxylic acid with ethanoic anhydride.
Concentrated phosphoric acid is used as the catalyst.
0 1 . 1 Draw the displayed formula for ethanoic anhydride.
[1 mark]
*02* for more:
IB/M/Jun26/7405/3
