Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Wednesday 08 May 2024
Morning (Time: 1 hour 30 minutes) Paper
reference WCH11/01
Chemistry
International Advanced Subsidiary/Advanced Level
UNIT 1: Structure, Bonding and Introduction to
Organic Chemistry
You must have: Total Marks
Scientific calculator, ruler
Instructions
•• Use black ink or ball‑point pen.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• 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.
Try to answer every question.
• Check your answers if you have time at the end. Turn over
P75778A
©2024 Pearson Education Ltd.
F:1/1/1/1/
*P75778A0128*
, SECTION A
Answer ALL the questions in this section.
DO NOT WRITE IN THIS AREA
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 How many atoms are there in 10 g of methane?
[Ar values: H = 1.0 C = 12.0 L = 6.02 × 1023 mol–1]
A 3.76 × 1023
B 9.63 × 1023
C 1.88 × 1024
D 4.82 × 1024
(Total for Question 1 = 1 mark)
DO NOT WRITE IN THIS AREA
2 What is the maximum volume of butane that can be completely burned in
39 cm3 of oxygen at room temperature and pressure?
C4H10(g) + 6.5O2(g) → 4CO2(g) + 5H2O(l)
A 6.0 cm3
B 12 cm3
C 24 cm3
D 45 cm3
(Total for Question 2 = 1 mark)
Use this space for any rough working. Anything you write in this space will gain no credit.
DO NOT WRITE IN THIS AREA
2
*P75778A0228*
, 3 This question is about limonene.
DO NOT WRITE IN THIS AREA
(a) What is the molecular formula of limonene?
(1)
A C10H10
B C10H16
C C10H18
D C10H22
(b) Limonene is completely hydrogenated by hydrogen in the presence of a
nickel catalyst. What is the empirical formula of the product formed?
(1)
A C5H11
DO NOT WRITE IN THIS AREA
B C5H9
C C5H8
D CH2
(Total for Question 3 = 2 marks)
Use this space for any rough working. Anything you write in this space will gain no credit.
DO NOT WRITE IN THIS AREA
3
*P75778A0328* Turn over
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Wednesday 08 May 2024
Morning (Time: 1 hour 30 minutes) Paper
reference WCH11/01
Chemistry
International Advanced Subsidiary/Advanced Level
UNIT 1: Structure, Bonding and Introduction to
Organic Chemistry
You must have: Total Marks
Scientific calculator, ruler
Instructions
•• Use black ink or ball‑point pen.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• 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.
Try to answer every question.
• Check your answers if you have time at the end. Turn over
P75778A
©2024 Pearson Education Ltd.
F:1/1/1/1/
*P75778A0128*
, SECTION A
Answer ALL the questions in this section.
DO NOT WRITE IN THIS AREA
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 How many atoms are there in 10 g of methane?
[Ar values: H = 1.0 C = 12.0 L = 6.02 × 1023 mol–1]
A 3.76 × 1023
B 9.63 × 1023
C 1.88 × 1024
D 4.82 × 1024
(Total for Question 1 = 1 mark)
DO NOT WRITE IN THIS AREA
2 What is the maximum volume of butane that can be completely burned in
39 cm3 of oxygen at room temperature and pressure?
C4H10(g) + 6.5O2(g) → 4CO2(g) + 5H2O(l)
A 6.0 cm3
B 12 cm3
C 24 cm3
D 45 cm3
(Total for Question 2 = 1 mark)
Use this space for any rough working. Anything you write in this space will gain no credit.
DO NOT WRITE IN THIS AREA
2
*P75778A0228*
, 3 This question is about limonene.
DO NOT WRITE IN THIS AREA
(a) What is the molecular formula of limonene?
(1)
A C10H10
B C10H16
C C10H18
D C10H22
(b) Limonene is completely hydrogenated by hydrogen in the presence of a
nickel catalyst. What is the empirical formula of the product formed?
(1)
A C5H11
DO NOT WRITE IN THIS AREA
B C5H9
C C5H8
D CH2
(Total for Question 3 = 2 marks)
Use this space for any rough working. Anything you write in this space will gain no credit.
DO NOT WRITE IN THIS AREA
3
*P75778A0328* Turn over
