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Candidate surname Other names
22 is
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Centre Number Candidate Number
C
Pearson Edexcel Level 3 GCE
Paper
Time 1 hour 45 minutes
reference 9CH0/02
Chemistry
Advanced
PAPER 2: Advanced Organic and Physical Chemistry
You must have: Total Marks
Scientific calculator, Data Booklet, ruler
Instructions
• Fill
Use black ink or ball-point pen.
• centrein the boxes at the top of this page with your name,
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 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.
• abilitythetoquestion
For marked with an asterisk (*), marks will be awarded for your
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 the end.
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Some questions must be answered with a cross in a box .
C
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 is a question about polymers.
(a) An addition polymer is formed from 2-methylpent-2-ene.
What is the repeat unit for poly(2-methylpent-2-ene)?
(1)
A B
C D
(b) Which is not a use of waste poly(alkenes)?
(1)
A feedstock for cracking
B generation of biodegradable materials
C incineration to release energy
D make new materials by recycling
2
*P67094RA0224*
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(c) A condensation polymer can be made from ethane-1,2-diol and butanedioic acid.
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Which is the repeat unit for this polymer?
C
(1)
A B
O O O O
O (CH2)2 O C (CH2)2 C O O (CH2)2 O C (CH2)2 C
C D
O O O O
O (CH2)2 O C (CH2)4 C O O (CH2)2 O C (CH2)4 C
(d) Which approach used by chemists would not contribute to a more sustainable
use of materials over the life cycle of a polymer?
(1)
A make more efficient use of energy
B make more efficient use of resources
C use catalysts for a faster reaction rate
D use a higher temperature for a faster reaction rate
(Total for Question 1 = 4 marks)
*P67094RA0324*
3
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