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Pearson Edexcel Chemistry Advanced PAPER 3 General and Practical Principles in Chemistry june 2023
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Pearson Edexcel Chemistry Advanced PAPER 3 General and Practical Principles in Chemistry June 2023

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  • October 24, 2023
  • 42
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • chemistry
  • pearson edexcel level 3 gce
  • advanced paper 3 general and practical principles

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Please check the examination details below before entering your candidate
information
Candidate surname Other names

Centre Candidate
Number Number


Pearson Edexcel Level 3
GCE
Friday 23 June 2023
Paper
Morning (Time: 2 hours 30
minutes)
referenc
e
9CH0/03
 
Chemistry
Advanced
PAPER 3: General and Practical Principles in
Chemistry
You must have: Total
Scientific calculator, Data Booklet, ruler Marks



Instructions
• Use black ink or ball-point pen.
• IfFillpencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• centre number
in the boxes at the top of this page with your name,
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 120.
• 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.
Turn over
• Check your answers if you have time at the
end.



1

, Answer ALL questions. Write your answers in the spaces
provided.

1 Alkanes are often used as fuels.
(a) Complete the equation for the complete combustion of
hexane. State symbols are not required. (1)


C6H14 + . . .. .. .. .. .. .. . O2 → . .. .. .. .. .. .. .. CO2 + ...H2O

(b) Identify two pollutants produced from the incomplete combustion of a
pure sample of pentane. (2)

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



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



(c) Explain the problem which results from sulfur impurities in
fuels. (2)

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



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



(d) Adding cyclic hydrocarbons to fuels results in more efficient
combustion. These compounds can be made by reforming straight-
chain alkanes.
Write an equation for the reforming of pentane into a cyclic hydrocarbon, using
skeletal formulae for the organic compounds.
State symbols are not required.
(2)




2


, (Total for Question 1 = 7 marks)




3
 Turn
over

, 2 This question is about some reactions of the elements of Group 1 and Group 2
of the Periodic Table and their compounds.
(a) Group 2 metals react vigorously with oxygen when heated.
(i) Write the equation for the reaction between magnesium and
oxygen. Include state symbols.
(1)




(ii) Explain the trend in reactivity of the elements down
Group 2. (3)

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



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



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



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



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



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



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



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



(b) (i) State the trend in solubility of the Group 2
sulfates. (1)

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



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



(ii) Explain why the reaction between calcium and excess sulfuric acid stops
before all of the metal has reacted.
(2)

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



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



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




4


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