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
Tuesday 18 June 2024 Morning Time allowed: 2 hours
Materials
For this paper you must have: For Examiner’s Use
• the Periodic Table/Data Booklet, provided as an insert (enclosed)
• a ruler with millimetre measurements Question Mark
• a scientific calculator, which you are expected to use where appropriate. 1
Instructions 2
• Use black ink or black ball-point pen. 3
• Fill in the boxes at the top of this page.
4
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside 5
the box around each page or on blank pages.
6
• 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). 7
• All working must be shown. 8
• Do all rough work in this book. Cross through any work you do not want to be
marked. 9
10
Information
11
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 105. TOTAL
, 2
Do not write
outside the
box
*Jun247405201* IB/M/Jun24/G4006/E6 7405/2
Answer all questions in the spaces provided.
Propanone reacts with bromine in alkaline conditions.
0 1
CH3COCH3 + Br2 + OH– ⟶ CH3COCH2Br + Br – + H2O
The rate equation for this reaction is
Rate = k [CH3COCH3] [OH–]
, 3
Do not write
outside the
box
Sketch a graph on the axes provided to show how, at constant temperature, the
0 1 .1 concentration of bromine changes during this reaction.
[1 mark]
*02*
Turn over ►
IB/M/Jun24/7405/2
, 4
Do not write
outside the
box
0 1 .2 Table 1 shows the initial rate of this reaction for experiments using different mixtures
containing propanone, bromine and hydroxide ions.
[CH3COCH3] / [Br2] / [OH–] Initial rate /
Experiment
mol dm–3 mol dm–3 / mol dm–3 mol dm–3 s–1
1 1.50 × 10–2 2.50 × 10–2 2.50 × 10–2 2.75 × 10–11
2 1.50 × 10–2 2.50 × 10–2 8.25 × 10–11
3 3.75 × 10–3 5.00 × 10–2 1.00 × 10–1
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
Tuesday 18 June 2024 Morning Time allowed: 2 hours
Materials
For this paper you must have: For Examiner’s Use
• the Periodic Table/Data Booklet, provided as an insert (enclosed)
• a ruler with millimetre measurements Question Mark
• a scientific calculator, which you are expected to use where appropriate. 1
Instructions 2
• Use black ink or black ball-point pen. 3
• Fill in the boxes at the top of this page.
4
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside 5
the box around each page or on blank pages.
6
• 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). 7
• All working must be shown. 8
• Do all rough work in this book. Cross through any work you do not want to be
marked. 9
10
Information
11
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 105. TOTAL
, 2
Do not write
outside the
box
*Jun247405201* IB/M/Jun24/G4006/E6 7405/2
Answer all questions in the spaces provided.
Propanone reacts with bromine in alkaline conditions.
0 1
CH3COCH3 + Br2 + OH– ⟶ CH3COCH2Br + Br – + H2O
The rate equation for this reaction is
Rate = k [CH3COCH3] [OH–]
, 3
Do not write
outside the
box
Sketch a graph on the axes provided to show how, at constant temperature, the
0 1 .1 concentration of bromine changes during this reaction.
[1 mark]
*02*
Turn over ►
IB/M/Jun24/7405/2
, 4
Do not write
outside the
box
0 1 .2 Table 1 shows the initial rate of this reaction for experiments using different mixtures
containing propanone, bromine and hydroxide ions.
[CH3COCH3] / [Br2] / [OH–] Initial rate /
Experiment
mol dm–3 mol dm–3 / mol dm–3 mol dm–3 s–1
1 1.50 × 10–2 2.50 × 10–2 2.50 × 10–2 2.75 × 10–11
2 1.50 × 10–2 2.50 × 10–2 8.25 × 10–11
3 3.75 × 10–3 5.00 × 10–2 1.00 × 10–1
