AQA A Level Chemistry
Paper 1 2020 Organic and
Physical Chemistry
Question Paper
*JUN207405101*
IB/M/Jun20/E7 7405/1
, Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatu re
I declare this is my own work.
A-level
CHEMISTRY
Paper 1 Inorganic and Physical Chemistry
Tuesday 2 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.
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. 11
TOTAL
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 105.
*JUN207405101*
IB/M/Jun20/E7 7405/1
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 This question is about enthalpy changes.
0 1 . 1 Figure 1 shows a Born–Haber cycle for the formation of strontium chloride, SrCl2
Figure 1
Table 1 shows some thermodynamic data.
Table 1
Enthalpy change
/ kJ mol–1
First ionisation energy of strontium +548
Second ionisation energy of strontium +1060
Enthalpy of atomisation of chlorine +121
Enthalpy of atomisation of strontium +164
Enthalpy of formation of strontium chloride –828
Enthalpy of lattice formation of strontium chloride –2112
*02*
IB/M/Jun20/7405/1
, 3
Do not write
outside the
Use the data in Table 1 to calculate a value for the electron affinity of chlorine. box
[3 marks]
Electron affinity kJ mol–1
0 1 . 2 Draw a line from each substance to the enthalpy of lattice formation of that substance.
[1 mark]
Substance Enthalpy of lattice
formation / kJ mol–1
MgCl2 –2018
MgO –2493
BaCl2 –3889
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun20/7405/1
Paper 1 2020 Organic and
Physical Chemistry
Question Paper
*JUN207405101*
IB/M/Jun20/E7 7405/1
, Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatu re
I declare this is my own work.
A-level
CHEMISTRY
Paper 1 Inorganic and Physical Chemistry
Tuesday 2 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.
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. 11
TOTAL
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 105.
*JUN207405101*
IB/M/Jun20/E7 7405/1
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 This question is about enthalpy changes.
0 1 . 1 Figure 1 shows a Born–Haber cycle for the formation of strontium chloride, SrCl2
Figure 1
Table 1 shows some thermodynamic data.
Table 1
Enthalpy change
/ kJ mol–1
First ionisation energy of strontium +548
Second ionisation energy of strontium +1060
Enthalpy of atomisation of chlorine +121
Enthalpy of atomisation of strontium +164
Enthalpy of formation of strontium chloride –828
Enthalpy of lattice formation of strontium chloride –2112
*02*
IB/M/Jun20/7405/1
, 3
Do not write
outside the
Use the data in Table 1 to calculate a value for the electron affinity of chlorine. box
[3 marks]
Electron affinity kJ mol–1
0 1 . 2 Draw a line from each substance to the enthalpy of lattice formation of that substance.
[1 mark]
Substance Enthalpy of lattice
formation / kJ mol–1
MgCl2 –2018
MgO –2493
BaCl2 –3889
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun20/7405/1
