Mastering Matter: An In-
Depth Exploration of
Inorganic and Physical
Chemistry Principles for A-
Level Excellence WITH
MARKING SCHEME AT
TE END
, 2
Do not write
outside the
box
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
• a scientific calculator, which you are expected to use where appropriate. Question Mark
Instructions 1
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page. 2
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside the box around each 3
page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of this book. Write the 4
question number against your answer(s).
• All working must be shown. 5
• Do all rough work in this book. Cross through any work you do not want to be marked.
6
7
8
9
10
TOTAL
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
IB/M/Jun23/7405/1
, 3
Do not write
outside the
box
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 105.
*JUN237405101* IB/M/Jun23/E9 7405/1
Answer all questions in the spaces provided.
Turn over ►
IB/M/Jun23/7405/1
, 4
Do not write
outside the
box
0 1 This question is about complexes of the transition metal
chromium.
.1 State the meaning of the term transition metal complex.
0 1
[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
.3 Suggest why the oxidation state of chromium is zero in Cr(PF3)6
[1 mark]
0 1
IB/M/Jun23/7405/1
Depth Exploration of
Inorganic and Physical
Chemistry Principles for A-
Level Excellence WITH
MARKING SCHEME AT
TE END
, 2
Do not write
outside the
box
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
• a scientific calculator, which you are expected to use where appropriate. Question Mark
Instructions 1
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page. 2
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside the box around each 3
page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of this book. Write the 4
question number against your answer(s).
• All working must be shown. 5
• Do all rough work in this book. Cross through any work you do not want to be marked.
6
7
8
9
10
TOTAL
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
IB/M/Jun23/7405/1
, 3
Do not write
outside the
box
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 105.
*JUN237405101* IB/M/Jun23/E9 7405/1
Answer all questions in the spaces provided.
Turn over ►
IB/M/Jun23/7405/1
, 4
Do not write
outside the
box
0 1 This question is about complexes of the transition metal
chromium.
.1 State the meaning of the term transition metal complex.
0 1
[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
.3 Suggest why the oxidation state of chromium is zero in Cr(PF3)6
[1 mark]
0 1
IB/M/Jun23/7405/1
