Please check the examination details below before entering your
candidate information
Candidate surnameOther names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Monday 19 June 2023
9CH0/02
Paper
Afternoon (Time: 1 hour 45 minutes)
reference
Chemistry
Advanced
PAPER 2: Advanced Organic and Physical Chemistry
You must have: Total Marks
Scientific calculator, Data Booklet, ruler
Instructions
• Use black ink or ball-point pen.
•IfFillpencil is used for diagrams/sketches/graphs it must be dark (HB or B).
•name, centreboxes
in the at the top of this page with your
number and candidate number.
• Answer all
• Answer the questions in the spaces
provided – there may be more space
than you need.
questions.
Information
• The total mark for this paper is 90.
•The marks for each question are shown in brackets
– use this as a guide 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 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 Turn over
the end.
1
, BLANK PAGE
2
, Answer ALL questions.
Some questions must be answered with a cross in a box . If
you 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 some organic compounds.
(a) Draw the skeletal formula of 1,3-dimethylcyclohexane.
(1)
(b) What is the general formula for a cycloalkene?
(1)
A CnH2n–2
B CnH2n
C CnH2n+1
D CnH2n+2
(c) A student is asked to devise a laboratory synthesis of 1,2-
dichloroethane. The student suggests reacting ethane with
chlorine in the presence of ultraviolet radiation.
Give two reasons why this is not a good method to prepare 1,2-
dichloroethane. (2)
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