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 8 June 2020 Afternoon 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. 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).
All working must be shown. 9
Do all rough work in this book. Cross through any work you do not want to TOTAL
be marked.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 105.
*JUN207405201*
, 18
Do not writ
outside the
0 7 This question is about NMR spectroscopy. box
0 7 . 1 A compound is usually mixed with Si(CH3)4 and either CCl4 or CDCl3 before recording
the compound’s 1H NMR spectrum.
State why Si(CH3)4, CCl4 and CDCl3 are used in 1H NMR spectroscopy.
Explain how their properties make them suitable for use in 1H NMR spectroscopy.
[6 marks]
*18*
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 8 June 2020 Afternoon 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. 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).
All working must be shown. 9
Do all rough work in this book. Cross through any work you do not want to TOTAL
be marked.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 105.
*JUN207405201*
, 18
Do not writ
outside the
0 7 This question is about NMR spectroscopy. box
0 7 . 1 A compound is usually mixed with Si(CH3)4 and either CCl4 or CDCl3 before recording
the compound’s 1H NMR spectrum.
State why Si(CH3)4, CCl4 and CDCl3 are used in 1H NMR spectroscopy.
Explain how their properties make them suitable for use in 1H NMR spectroscopy.
[6 marks]
*18*
