Edexcel International A Level Chemistry Paper 1 2026 with Mark Scheme (PDF)

Cambridge International AS & A Level Cambridge International AS & A Level

CHEMISTRY 9701/12 CHEMISTRY 9701/12
Paper 1 Multiple Choice May/June 2026 Paper 1 Multiple Choice May/June 2026

1 hour 15 minutes MARK SCHEME
Maximum Mark: 40
You must answer on the multiple choice answer sheet.

You will need: Multiple choice answer sheet
*




Soft clean eraser
Published
Soft pencil (type B or HB is recommended)

INSTRUCTIONS
• Therearefortyquestionsonthispaper.Answerallquestions.
*




• ForeachquestiontherearefourpossibleanswersA,B,CandD.Choosetheoneyouconsidercorrect This mark scheme shows the correct answer to each question.
andrecordyourchoiceinsoftpencilonthemultiplechoiceanswersheet.
We cannot discuss the mark scheme with schools, and we recommend that schools read the mark scheme
• Followtheinstructionsonthemultiplechoiceanswersheet. together with the question paper and the Principal Examiner Report for Teachers.
• Writeinsoftpencil.
• Writeyourname,centrenumberandcandidatenumberonthemultiplechoiceanswersheetinthe
spacesprovidedunlessthishasbeendoneforyou.
• Donotusecorrectionfluidortape.
• Donotwriteonanybarcodes.
• Youmayuseacalculator.

INFORMATION
• The total mark for this paper is 40.
• Each correct answer will score one mark.
• Any rough working should be done on this question paper.
• The Periodic Table is printed in the question paper.
• Important values, constants and standards are printed in the question paper.




This document has 20 pages. Any blank pages are indicated.

06_9701_12_2026_1.23 This document consists of 3 printed pages.
Cambridge University Press & Assessment 2026 [Turn over

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, 2 9701/12 Cambridge International AS & A Level – Mark Scheme May/June 2026
PUBLISHED

1 Which mass of aluminium is needed to produce 0.10 mol of Al 2Cl 6?
Question Answer Marks
A 0.54 g B 2.7 g C 5.4 g D 10.8 g 1 C 1

2 C 1
2 Compound Q contains the elements C, H and O only.
3 D 1
When completely combusted, 2.00 g of Q produces 4.00 g of carbon dioxide and 1.63 g
of water. 4 D 1

What is the empirical formula of Q? 5 B 1

A CHO2 B C2H2O C C2H4O D CH2O2 6 B 1

7 B 1
3 Which row correctly describes the ion ? 8 B 1

9 D 1
neutrons electrons
10 C 1
A 16 16
11 D 1
B 16 18
C 19 16 12 C 1

D 19 18 13 A 1

14 C 1
4 Element X has a higher first ionisation energy than element Y. 15 D 1

Two students state one factor that helps to explain this. 16 D 1

student 1 'X has a higher first ionisation energy than Y because an atom 17 D 1
of X has more protons in its nucleus than an atom of Y.'
18 A 1
student 2 'X has a higher first ionisation energy than Y because X has a
19 A 1
smaller atomic radius than Y.'
20 A 1
Only one of the two students is correct.
21 C 1
Which elements could X and Y be?
22 D 1
X Y 23 A 1
A carbon boron 24 A 1
B magnesium aluminium 25 A 1
C oxygen nitrogen
26 B 1
D oxygen sulfur
27 B 1

28 C 1

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, 3 9701/12 Cambridge International AS & A Level – Mark Scheme May/June 2026
PUBLISHED

5 In which substance, when in pure liquid form, are instantaneous dipole-induced dipole
Question Answer Marks
forces the only intermolecular force in the substance?
29 A 1
A ethyl ethanoate
30 A 1
B helium
C hydrogen chloride 31 C 1

D water 32 B 1

33 A 1
6 Descriptions of some covalent bonds are given.
34 D 1
1 the overlap of two p orbitals
35 B 1
2 the overlap of two sp hybrid orbitals
36 D 1
3 the overlap of two s orbitals
37 C 1
Which bonds are present in the hydrogen cyanide molecule, HCN?
38 B 1
A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only
39 C 1

40 C 1




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