CHEMISTRY 9701/11 CHEMISTRY 9701/11
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
• There are forty questions on this paper. Answer all questions.
*
This mark scheme shows the correct answer to each question.
• For each question there are four possible answers A, B, C and D. Choose the one you consider correct
and record your choice in soft pencil on the multiple choice answer sheet. We cannot discuss the mark scheme with schools, and we recommend that schools read the mark scheme
• Follow the instructions on the multiple choice answer sheet. together with the question paper and the Principal Examiner Report for Teachers.
• Write in soft pencil.
• Write your name, centre number and candidate number on the multiple choice answer sheet in the
spaces provided unless this has been done for you.
• Do not use correction fluid or tape.
• Do not write on any bar codes.
• You may use a calculator.
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_11_2026_1.26 This document consists of 3 printed pages.
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, 2 9701/11 Cambridge International AS & A Level – Mark Scheme May/June 2026
PUBLISHED
1 Which diagram shows the trend in radius for the five species?
Question Answer Marks
A B 1 A 1
2 C 1
3 C 1
radius radius
4 D 1
5 B 1
O2– F– Ne Na+ Mg2+ O2– F– Ne Na+ Mg2+ 6 B 1
7 C 1
C D
8 B 1
9 A 1
radius radius 10 A 1
11 B 1
12 B 1
O2– F– Ne Na+ Mg2+ O2– F– Ne Na+ Mg2+
13 A 1
14 D 1
2 Why is the first ionisation energy of sulfur lower than that of phosphorus?
15 D 1
A Sulfur is more electronegative than phosphorus.
16 D 1
B Sulfur forms anions more readily.
17 C 1
C In sulfur, the electron lost is paired with another electron.
D The sulfur atom is larger than the phosphorus atom. 18 D 1
19 B 1
3 Which statement is correct?
20 B 1
A The mass of the unified atomic mass unit is 12.0. 21 B 1
B The relative molecular mass of sodium chloride is 58.1.
22 C 1
C The relative formula mass of magnesium chloride is 95.3.
23 D 1
D The relative atomic mass of oxygen is 32.0.
24 C 1
25 A 1
26 C 1
27 B 1
28 B 1
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, 3 9701/11 Cambridge International AS & A Level – Mark Scheme May/June 2026
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4 Which sample of gas has the smallest volume at room conditions?
Question Answer Marks
A 17 g of ammonia 29 C 1
B 4 g of helium
30 A 1
C 4 g of hydrogen
31 C 1
D 35.5 g of chlorine
32 A 1
5 Which molecule or structure does not contain three atoms bonded at an angle between 33 D 1
109° and 110°?
34 D 1
A ethanoic acid
35 D 1
B graphite
36 A 1
C propane
37 C 1
D silicon(IV) oxide
38 A 1
6 Materials can be classified by their chemical structures. The four types of structure are 39 D 1
metallic, ionic, simple molecular and giant molecular.
40 C 1
A, B, C and D all have different types of structure.
Which substance has a simple molecular structure?
melting point effect of electrical
/ °C adding water conductivity
A 64 reacts good when solid
B 113 insoluble always poor
C 767 soluble good when solid
D 1600 insoluble always poor
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