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2023 Pearson Edexcel Level 3 GCE Economics A Advanced Subsidiary PAPER 2: Core Organic and Physical Chemistry Policies Question Paper and Mark Scheme Combined CA$13.12   Add to cart
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2023 Pearson Edexcel Level 3 GCE Economics A Advanced Subsidiary PAPER 2: Core Organic and Physical Chemistry Policies Question Paper and Mark Scheme Combined
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2023 Pearson Edexcel Level 3 GCE Economics A Advanced Subsidiary PAPER 2: Core Organic and Physical Chemistry Policies Question Paper and Mark Scheme Combined

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  • May 22, 2024
  • 70
  • 2023/2024
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  • 2023 pearson edexcel level 3 gce economics a advan

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Please check the examination details below before entering your candidate information

Candidate surname Other names


Centre Number Candidate Number




Pearson Edexcel Level 3 GCE
Tuesday 23 May 2023
reference 8CH0/02
Morning (Time: 1 hour 30 minutes) Paper



Chemistry 


Advanced Subsidiary
PAPER 2: Core Organic and Physical Chemistry

You must have: Total Marks
Scientific calculator, Data Booklet, ruler


2023 Pearson Edexcel Level 3 GCE Economics A Advanced Subsidiary
PAPER 2: Core Organic and Physical Chemistry Policies Question Paper and Mark
Scheme Combined Unveiling Excellence!!

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.

• 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.

,N:1/1/1/
• Check your answers if you have time at the end.
*P71927A0128*
Turn over

P71927A
©2023 Pearson Education Ltd.

, 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 collision theory.

The Maxwell-Boltzmann distribution of molecular energies for a reaction
at a particular temperature is shown in the graph.
Add another line on the graph to represent the same reaction with the same
number of particles at a higher temperature.




Number of
particles with
energy, E




Energy, E

(Total for Question 1 = 2 marks)




2
*P71927A0228* 

, 2 This question is about alkanes and some of their reactions.

(a) Hexane is a saturated hydrocarbon.
State what is meant by the term ‘saturated hydrocarbon’.
Your answer should refer to both words in the term.
(2)

....................................................................................................................................................................................................................................................................................



....................................................................................................................................................................................................................................................................................



....................................................................................................................................................................................................................................................................................



....................................................................................................................................................................................................................................................................................



(b) When methane reacts with gaseous chlorine, the initiation step is bond
breaking in the chlorine molecule to form chlorine free radicals.
The equation for this step is shown.

Cl2(g) → 2Cl•(g)

Two equations for the propagation step are shown.

Cl•(g) + CH4(g) → CH3•(g) + HCl(g)
CH3•(g) + Cl2(g) → CH3Cl(g) + Cl•(g)

(i) Write the overall equation for this reaction of methane with
chlorine. State symbols are not required.
(1)




(ii) Calculate the maximum mass, in grams, of chloromethane produced
when 7.00 g of chlorine gas reacts completely with excess methane.
[Molar mass of CH3Cl = 50.5 g mol–1]
(2)




3

 *P71927A0328* Turn over

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