Exam (elaborations)
EDEXCEL AS LEVEL CHEMISTRY QUESTION PAPER 1 2024
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Exam of 24 pages for the course Unit 10 - Equilibrium I at PEARSON (Paper only)
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Please check the examination details below before entering your candidate informationCandidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Tuesday 14 May 2024
Morning (Time: 1 hour 30 minutes) Paper
reference 8CH0/01
Chemistry
Advanced Subsidiary
PAPER 1: Core Inorganic and Physical Chemistry
You must have: Total Marks
Scientific calculator, Data Booklet
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.
• ability
For the question marked with an asterisk (*), marks will be awarded for your
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 the end. Turn over
P76893A
©2024 Pearson Education Ltd.
F:1/1/1/
*P76893A0124*
, Answer ALL questions.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
31 3–
1 What is the electronic configuration of the phosphide ion, 15 P ?
A 1s22s22p63s23p3
B 1s22s22p63s23p6
C 1s22s22p63s2
D 1s22s22p63p6
(Total for Question 1 = 1 mark)
2 Which could be the first four successive ionisation energies, in kJ mol−1 , of a
Group 4 element?
A 496 4563 6913 9544
B 900 1757 14 849 21 007
C 801 2427 3610 25 026
D 1086 2353 4621 6223
(Total for Question 2 = 1 mark)
3 Which pair of responses show the trend in atomic radii of atoms, excluding the
noble gases (Group 0)?
Trend across Period 2 Trend down Group 2
A increasing increasing
B increasing decreasing
C decreasing decreasing
D decreasing increasing
(Total for Question 3 = 1 mark)
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*P76893A0224*
, 4 A student was provided with three aqueous solutions of potassium chloride,
potassium bromide and potassium iodide.
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To identify the halide present, dilute nitric acid and silver nitrate solution were added
to each of the three solutions.
(a) (i) Give the observations that the student would make in each case.
(3)
KCl . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................................ . . . . . . . . . . . . . . . . . . . .
KBr. . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........................................................................................................................................... ................ . . . . . . . . . . . . . . . . . . . .
KI . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........................................................................................................................................................... . . . . . . . . . . . . . . . . . . . .
(ii) Describe how the student could confirm the halide ions present in the
products of (a)(i) by adding ammonia solutions.
(3)
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