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AQA A level Chemistry Paper 1 Inorganic and Physical Chemistry june 2023 R274,84   Add to cart

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AQA A level Chemistry Paper 1 Inorganic and Physical Chemistry june 2023

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AQA A level Chemistry Paper 1 Inorganic and Physical Chemistry june 2023

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  • September 8, 2023
  • 37
  • 2023/2024
  • Exam (elaborations)
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AQA
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A-level
CHEMISTRY
Paper 1 Inorganic and Physical Chemistry


Monday 12 June 2023 Morning Time allowed: 2 hours
Materials
For this paper you must have: For Examiner’s Use
 the Periodic Table/Data Booklet, provided as an insert (enclosed)
 a ruler with millimetre measurements Questio Mark
n
 a scientific calculator, which you are expected to use where appropriate.
1

Instructions 2
 Use black ink or black ball-point pen. 3
 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 the box around each page or on blank pages. 6
 If you need extra space for your answer(s), use the lined pages at 7
the end of this book. Write the question number against your 8
answer(s).
 All working must be shown. 9
 Do all rough work in this book. Cross through any work 10
you do not want to be marked.
TOTAL

Information
Chapter: *07*




 The marks for questions are shown in brackets.
 The maximum mark for this paper is 105.




1

,2
Chapter: *07*

, 2
Do not write
outside the
Answer all questions in the spaces box
provided.


This0 question
1 is about complexes of the transition metal chromium.

0 1 .1 State the meaning of the term transition metal
complex. [1 mark]




Cr(PF3)6 is a complex of chromium that contains molecules of PF3
0 1
.2 The electron pair repulsion theory can be used to predict the shape of a PF 3

molecule. Draw the shape of a PF3 molecule.
Include any lone pairs of electrons that influence the shape.

Name the shape.
[2 marks]

Shape




Name of shape


0 1 .3 Suggest why the oxidation state of chromium is zero in Cr(PF3)6
[1 mark]




*02
IB/M/
* Jun23/7405/1

, 3
Do not write
outside the
The compound [Cr(NH3)4Cl2]Cl contains ammonia box

molecules.

0 1 .4 Deduce the oxidation state of chromium in [Cr(NH3)4Cl2]Cl
[1 mark]




0 1 .5 Name the type of bond between N and H in ammonia.
[1 mark]



0 1
.6 The compound [Cr(NH3)4Cl2]Cl contains a complex ion that shows

isomerism. Draw the two isomers of the complex ion.

State the type of isomerism shown.
[3 marks]

Isomer Isomer
1 2




Type of isomerism


0 1 .7 Complete the equation to show the formation of one complex that
contains chromium in its +3 oxidation state.
[1 mark]



CrCl3 + 5 H2O → 10




*03
IB/M/
* Jun23/7405/1

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