Please write clearly in block capitals.
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Candidate
signature
I declare this is my own work.
AQA A-level
CHEMISTRY 2025 PREDICTED PAPER
Paper 2 Organic and Physical Chemistry
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.
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 10
want to be marked. TOTAL
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 105.
www.tyrions.com
7405/2
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 Butanone reacts with iodine in a basic medium (provided by
sodium hydroxide) to form CHl3, CH3CH2COONa, Nal and H2O.
CH3CH2COCH3 + 3I2 + 4NaOH → CHI3 + CH3CH2COONa + 3NaI + 3H2O
0 1 . 1 Draw the displayed formula for CH3CH2COONa
Give the name of CH3CH2COONa
[2 marks]
Displayed formula
Name
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, 3
Do not write
outside the
0 1 . 2 The rate equation for the reaction is box
-
rate = k[CH3CH2COCH3][OH ]2[I2]
Table 1 shows the initial concentrations used in an experiment.
Table 1
CH3CH2COCH3 0.10 mol dm−3
I2 0.15 mol dm−3
NaOH 0.20 mol dm−3
The rate constant in this experiment is 2.5 ×102 mol dm−3 s−1
Calculate the value of the rate of the reaction for the reaction.
[3 marks]
Rate of reaction
0 1 . 3 How does adding more OH- can affect the rate of reaction.
[1 mark]
www.tyrions.com
Centre number Candidate number
Surname
Forename(s)
Candidate
signature
I declare this is my own work.
AQA A-level
CHEMISTRY 2025 PREDICTED PAPER
Paper 2 Organic and Physical Chemistry
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.
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 10
want to be marked. TOTAL
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 105.
www.tyrions.com
7405/2
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 Butanone reacts with iodine in a basic medium (provided by
sodium hydroxide) to form CHl3, CH3CH2COONa, Nal and H2O.
CH3CH2COCH3 + 3I2 + 4NaOH → CHI3 + CH3CH2COONa + 3NaI + 3H2O
0 1 . 1 Draw the displayed formula for CH3CH2COONa
Give the name of CH3CH2COONa
[2 marks]
Displayed formula
Name
www.tyrions.com
, 3
Do not write
outside the
0 1 . 2 The rate equation for the reaction is box
-
rate = k[CH3CH2COCH3][OH ]2[I2]
Table 1 shows the initial concentrations used in an experiment.
Table 1
CH3CH2COCH3 0.10 mol dm−3
I2 0.15 mol dm−3
NaOH 0.20 mol dm−3
The rate constant in this experiment is 2.5 ×102 mol dm−3 s−1
Calculate the value of the rate of the reaction for the reaction.
[3 marks]
Rate of reaction
0 1 . 3 How does adding more OH- can affect the rate of reaction.
[1 mark]
www.tyrions.com
