Please check the examination details below before entering your candidate information
Candidate surname
TheMedDude Other names
Pearson Edexcel Centre Number Candidate Number
International
Advanced Level
Tuesday 5 October 2021
Morning (Time: 1 hour 30 minutes) Paper Reference WCH11/01
Chemistry
International Advanced Subsidiary/Advanced Level
Unit 1: Structure, Bonding and Introduction
ti to
Organic Chemistry
Candidates must have: Scientific calculator Total Marks
Ruler
Instructions
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
• Answer all questions.
• Answer the questions in the spaces provided
– there may be more space than you need.
Information
• The total mark for this paper is 80.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• You will be assessed on your ability to organise and present information, ideas,
descriptions and arguments clearly and logically, including your use of grammar,
punctuation and spelling.
• A Periodic Table is printed on the back cover of this paper.
Advice
• Read each question carefully before you start to answer it.
• Show all your working in calculations and include units where appropriate.
• Check your answers if you have time at the end.
Turn over
P69462A
©2021 Pearson Education Ltd.
E:1/1/1/1/
*P69462A0124*
, SECTION A
Answer ALL the questions in this section.
You should aim to spend no more than 20 minutes on this section.
For each question, select one answer from A to D and put a cross in the box . If you change
your mind, put a line through the box and then mark your new answer with a cross .
1 The maximum permitted concentration of sulfur in diesel fuel is 10 mg of sulfur in
1 kg of diesel fuel.
(a) What is this concentration of sulfur in ppm? massof solute 1000000
ppm X (1)
A 0.00001 mass ofsoup
B 0.01
19ft
C 10
x 1000000 10
D 10 000
(b) 3.2 kg of this diesel fuel is burned in air. burned 10mgofS
3 1kg
What is the maximum volume, in dm , of sulfur dioxide which can be produced,
measured at room temperature and pressure (r.t.p.)?
[Molar volume of a gas at r.t.p. = 24 dm3 mol−1] 32mg 32mg ofS
(1)
A 0.024
B 0.77
moles
3311 0.001 1 153
C 2.4
D 24 Volume 24 x 0 001 0 024dm
(Total for Question 1 = 2 marks)
1stIonisation
2 Which equation represents the second ionisation energy of chlorine?
A Cl−(g) + e− Cl2−(g)
q aft é
2ndlionisation Atg 7 Cetg te
− 2−
B Cl(g) + 2e Cl (g)
C 2Cl(g) 2Cl+(g) + 2e−
D Cl+(g) Cl2+(g) + e−
(Total for Question 2 = 1 mark)
2
, 3 The diagram shows a mass spectrometer.
+
R S
T
to vacuum pump
detector
(a) Which process occurs in region R?
(1)
A the sample is vaporised using a heater
alreadyvaporized
B electrons are removed from molecules or atoms and positive ions
are formed
C electrons are added to the molecules or atoms and negative ions
are formed
x
D ions are accelerated by an electric field region S
(b) Which statement is correct for region T?
Lighter ions are deflectedmorethan
(1)
heavier ones
A ions with a greater mass have a smaller deflection greatercharge more
B ions with a greater mass have a greater deflection deflection
C ions with a greater charge have a smaller deflection
D ions are speeded up by a magnetic field
(Total for Question 3 = 2 marks)
Use this space for any rough working. Anything you write in this space will gain no credit.
3
Candidate surname
TheMedDude Other names
Pearson Edexcel Centre Number Candidate Number
International
Advanced Level
Tuesday 5 October 2021
Morning (Time: 1 hour 30 minutes) Paper Reference WCH11/01
Chemistry
International Advanced Subsidiary/Advanced Level
Unit 1: Structure, Bonding and Introduction
ti to
Organic Chemistry
Candidates must have: Scientific calculator Total Marks
Ruler
Instructions
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
• Answer all questions.
• Answer the questions in the spaces provided
– there may be more space than you need.
Information
• The total mark for this paper is 80.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• You will be assessed on your ability to organise and present information, ideas,
descriptions and arguments clearly and logically, including your use of grammar,
punctuation and spelling.
• A Periodic Table is printed on the back cover of this paper.
Advice
• Read each question carefully before you start to answer it.
• Show all your working in calculations and include units where appropriate.
• Check your answers if you have time at the end.
Turn over
P69462A
©2021 Pearson Education Ltd.
E:1/1/1/1/
*P69462A0124*
, SECTION A
Answer ALL the questions in this section.
You should aim to spend no more than 20 minutes on this section.
For each question, select one answer from A to D and put a cross in the box . If you change
your mind, put a line through the box and then mark your new answer with a cross .
1 The maximum permitted concentration of sulfur in diesel fuel is 10 mg of sulfur in
1 kg of diesel fuel.
(a) What is this concentration of sulfur in ppm? massof solute 1000000
ppm X (1)
A 0.00001 mass ofsoup
B 0.01
19ft
C 10
x 1000000 10
D 10 000
(b) 3.2 kg of this diesel fuel is burned in air. burned 10mgofS
3 1kg
What is the maximum volume, in dm , of sulfur dioxide which can be produced,
measured at room temperature and pressure (r.t.p.)?
[Molar volume of a gas at r.t.p. = 24 dm3 mol−1] 32mg 32mg ofS
(1)
A 0.024
B 0.77
moles
3311 0.001 1 153
C 2.4
D 24 Volume 24 x 0 001 0 024dm
(Total for Question 1 = 2 marks)
1stIonisation
2 Which equation represents the second ionisation energy of chlorine?
A Cl−(g) + e− Cl2−(g)
q aft é
2ndlionisation Atg 7 Cetg te
− 2−
B Cl(g) + 2e Cl (g)
C 2Cl(g) 2Cl+(g) + 2e−
D Cl+(g) Cl2+(g) + e−
(Total for Question 2 = 1 mark)
2
, 3 The diagram shows a mass spectrometer.
+
R S
T
to vacuum pump
detector
(a) Which process occurs in region R?
(1)
A the sample is vaporised using a heater
alreadyvaporized
B electrons are removed from molecules or atoms and positive ions
are formed
C electrons are added to the molecules or atoms and negative ions
are formed
x
D ions are accelerated by an electric field region S
(b) Which statement is correct for region T?
Lighter ions are deflectedmorethan
(1)
heavier ones
A ions with a greater mass have a smaller deflection greatercharge more
B ions with a greater mass have a greater deflection deflection
C ions with a greater charge have a smaller deflection
D ions are speeded up by a magnetic field
(Total for Question 3 = 2 marks)
Use this space for any rough working. Anything you write in this space will gain no credit.
3
