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AQA JUNE 2022 CHEMISTRY AS 7404 PAPER 1 INORGANIC AND PHYSICAL CHEMISTRY
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AQA JUNE 2022 CHEMISTRY AS 7404 PAPER 1 INORGANIC AND PHYSICAL CHEMISTRY
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AQA A LEVEL 2022PAPERS AND
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AS
CHEMISTRY
Paper 1 Inorganic and Physical Chemistry
Time allowed: 1 hour 30 minutes
Materials
For this paper you must have: For Examiner’s Use
• the Periodic Table/Data Sheet, provided as an insert (enclosed)
• a ruler with millimetre measurements Question Mark
• a scientific calculator, which you are expected to use where appropriate. 1
2
Instructions
3
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page. 4
• Answer all questions. 5
• 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
this book. Write the question number against your answer(s). 8
• All working must be shown. Section B
• Do all rough work in this book. Cross through any work you do not
want to be marked. TOTAL
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 80.
Advice
You are advised to spend about 65 minutes on Section A and 25 minutes on Section B.
*JUN227404101*
IB/M/Jun22/E7 7404/1
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 This question is about ionisation energies of Group 2 elements.
0 1 . 1 Explain why the first ionisation energy of the Group 2 elements decreases down the
group.
[2 marks]
0 1 . 2 Give an equation, including state symbols, to represent the process that occurs when
the third ionisation energy of magnesium is measured.
[1 mark]
0 1 . 3 Explain why the third ionisation energy of magnesium is much higher than the
second ionisation energy of magnesium.
[2 marks]
5
*02*
IB/M/Jun22/7404/1
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