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 2 Organic and Physical Chemistry
Monday 16 June 2025 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
3
Instructions
• Use black ink or black ball-point pen. 4
• Fill in the boxes at the top of this page. 5
• Answer all questions.
6
• You must answer the questions in the spaces provided. Do not write outside
the box around each page or on blank pages. 7
• If you need extra space for your answer(s), use the lined pages at the end of 8
this book. Write the question number against your answer(s). 9
• All working must be shown.
• Do all rough work in this book. Cross through any work you do not TOTAL
want to be marked.
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 105.
*Jun257405201*
IB/M/Jun25/G4007/V7 7405/2
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 This question is about different ways to make 1,2-dichlorobutane.
0 1 . 1 Give the name of the mechanism for reaction 1.
State one essential condition needed for reaction 1.
[2 marks]
Name of mechanism
Essential condition
0 1 . 2 Give equations to show three essential steps in the mechanism for reaction 1.
[3 marks]
*02*
IB/M/Jun25/7405/2
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
CHEMISTRY
Paper 2 Organic and Physical Chemistry
Monday 16 June 2025 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
3
Instructions
• Use black ink or black ball-point pen. 4
• Fill in the boxes at the top of this page. 5
• Answer all questions.
6
• You must answer the questions in the spaces provided. Do not write outside
the box around each page or on blank pages. 7
• If you need extra space for your answer(s), use the lined pages at the end of 8
this book. Write the question number against your answer(s). 9
• All working must be shown.
• Do all rough work in this book. Cross through any work you do not TOTAL
want to be marked.
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 105.
*Jun257405201*
IB/M/Jun25/G4007/V7 7405/2
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 This question is about different ways to make 1,2-dichlorobutane.
0 1 . 1 Give the name of the mechanism for reaction 1.
State one essential condition needed for reaction 1.
[2 marks]
Name of mechanism
Essential condition
0 1 . 2 Give equations to show three essential steps in the mechanism for reaction 1.
[3 marks]
*02*
IB/M/Jun25/7405/2
