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AQA A-level CHEMISTRY Paper 2 Organic and Physical Chemistry 2021 QP
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AQA A-level CHEMISTRY Paper 2 Organic and Physical Chemistry 2021 QP
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A-levelCHEMISTRY
Paper 2 Organic and Physical
Chemistry
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I declare this is my own work.
A-level
CHEMISTRY
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.
You must answer the questions in the spaces 6
provided. Do not write outsidethe box around 7
each page or on blank pages. 8
If you need extra space for your answer(s), use
the lined pages at the end of this book. Write the 9
question number against your answer(s). 10
All working must be shown.
TOTAL
Do all rough work in this book. Cross through
any work you do not want tobe marked.
Information
The marks for questions are shown in brackets.
, The maximum mark for this paper is 105.
*Jun2174052
7405/2
, A-level CHEMISTRY Paper 2 Organic and Physical Chemistry
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 Coconut oil contains a triester with three identical R groups.
This triester reacts with potassium hydroxide.
0 1 . 1 Complete the equation by drawing the structure of the other product of this reaction in
the box.
Name the type of compound shown by the formula RCOOK
Give one use for this type of compound.
[3 marks]
Type of compound
Use
0 1 . 2 The triester in coconut oil has a relative molecular mass, Mr = 638.0
In the equation shown at the start of Question 01, R represents an alkyl group that
can be written as CH3(CH2)n
Deduce the value of n in CH3(CH2)n
Show your working.
[3 marks]
n
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