Chemistry paper 2
Please check the examination details below before entering your candidate information
Candidate surnameOther names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Tuesday 20 May 2025
Morning (Time: 1 hour 30 minutes) Paper
reference 8CH0/02
Chemistry 🟐 🟐
Advanced Subsidiary
PAPER 2: Core Organic and Physical Chemistry
You must have: Total Marks
Scientific calculator, Data Booklet, ruler
Instructions
• Use black ink or ball-point
• 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,
pen.
centre number and candidate number.
• Answer all
• Answer the questions in the spaces
provided – there may be more space
questions.
than you need.
Information
• The total mark for this paper is 80.
• – use this asfora guide
The marks each question are shown in brackets
as to how much time to spend on each question.
• For the question marked with an asterisk (*), marks will be awarded for
your ability to structure your answer logically, showing how the points
that you make are related or follow on from each other where
• appropriate.
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
P77831A
©2025 Pearson Education Ltd.
Chemistry paper 2
,Y:1/1/1/
, Answer ALL questions.
Some questions must be answered with a cross in a box . If you
AREA
DO NOT WRITE IN THIS
change your mind about an answer, put a line through the box and
then mark your new answer with a cross .
1 This question is about a naturally-occurring compound called
myrcene, which is found in many plants.
The skeletal formula of myrcene is shown.
(a) What is the molecular formula of myrcene?
(1)
A C5H5
B C5H8
C C10H10
AREA
DO NOT WRITE IN THIS
D C10H16
(b) What is the maximum number of moles of bromine molecules that
could react with one mole of myrcene in the dark?
(1)
A 2
B 3
C 4
D 6
(c) Myrcene is a dimer of isoprene.
Isoprene has the skeletal formula shown.
AREA
DO NOT WRITE IN THIS
Which is the IUPAC name for isoprene?
(1)
A 2-methylbut-1,3-ene
B 2-methylbuta-1,3-diene
C 1,3-diene-2-methylbutane
D 2-methylpent-1,3-ene
2
■■■
■
Please check the examination details below before entering your candidate information
Candidate surnameOther names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Tuesday 20 May 2025
Morning (Time: 1 hour 30 minutes) Paper
reference 8CH0/02
Chemistry 🟐 🟐
Advanced Subsidiary
PAPER 2: Core Organic and Physical Chemistry
You must have: Total Marks
Scientific calculator, Data Booklet, ruler
Instructions
• Use black ink or ball-point
• 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,
pen.
centre number and candidate number.
• Answer all
• Answer the questions in the spaces
provided – there may be more space
questions.
than you need.
Information
• The total mark for this paper is 80.
• – use this asfora guide
The marks each question are shown in brackets
as to how much time to spend on each question.
• For the question marked with an asterisk (*), marks will be awarded for
your ability to structure your answer logically, showing how the points
that you make are related or follow on from each other where
• appropriate.
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
P77831A
©2025 Pearson Education Ltd.
Chemistry paper 2
,Y:1/1/1/
, Answer ALL questions.
Some questions must be answered with a cross in a box . If you
AREA
DO NOT WRITE IN THIS
change your mind about an answer, put a line through the box and
then mark your new answer with a cross .
1 This question is about a naturally-occurring compound called
myrcene, which is found in many plants.
The skeletal formula of myrcene is shown.
(a) What is the molecular formula of myrcene?
(1)
A C5H5
B C5H8
C C10H10
AREA
DO NOT WRITE IN THIS
D C10H16
(b) What is the maximum number of moles of bromine molecules that
could react with one mole of myrcene in the dark?
(1)
A 2
B 3
C 4
D 6
(c) Myrcene is a dimer of isoprene.
Isoprene has the skeletal formula shown.
AREA
DO NOT WRITE IN THIS
Which is the IUPAC name for isoprene?
(1)
A 2-methylbut-1,3-ene
B 2-methylbuta-1,3-diene
C 1,3-diene-2-methylbutane
D 2-methylpent-1,3-ene
2
■■■
■
