Cambridge International AS & A Level
CHEMISTRY 9701/11
Paper 1 Multiple Choice May/June 2025
1 hour 15 minutes
You must answer on the multiple choice answer
sheet. You will need: Multiple choice answer sheet
Soft clean eraser
Soft pencil (type B or HB is recommended)
INSTRUCTIONS
There are forty questions on this paper. Answer all questions.
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.
Follow the instructions on the multiple choice answer sheet.
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.
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.
,1 ICl 3 reacts with water in a redox reaction.
vICl 3 + wH2O xHCl + yHI + zHIO3 + zHCl O3
What are the numbers v, x and z in the correctly balanced equation?
v x z
A 2 8 1
B 2 5 1
C 3 8 1
D 3 5 1
2 The rate of the reaction between a reactive metal and an excess of a dilute acid is
investigated.
The total volume of hydrogen gas produced is recorded every 30 seconds for 3
minutes.
total volume of
time / s
hydrogen gas /
cm3
0 0
30 64
60 105
90 132
120 151
150 161
180 167
The average rate of reaction during the first 30
seconds is P. The average rate of reaction during the
last 30 seconds is Q. What is the value of P – Q?
A 1.21 cm3 s–1 B 1.93 cm3 s–1 C 2.13 cm3 s–1 D 3.43 cm3 s–1
, 3 In the diagram, curve X was obtained by measuring the volume of oxygen produced
during the decomposition of 100 cm3 of 1.0 mol dm–3 hydrogen peroxide. A catalyst of
manganese(IV) oxide was used.
Y
X
volume of
oxygen
formed
0
0 time
Which alteration to the original experimental conditions would produce curve Y?
A adding more manganese(IV) oxide
B adding some 0.1 mol dm–3 hydrogen peroxide
C adding water
D raising the temperature
4 The first seven ionisation energies of an element between lithium and neon in the
Periodic Table are shown.
1310 3390 5320 7450 11 000 13 300 71 000 kJ mol–1
What is the outer electronic configuration of the element?
A 2s2 B 2s22p1 C 2s22p4 D 2s22p6
5 The reaction of hydrogen with oxygen is shown.
2H2(g) + O2(g) 2H2O(l)
Which expression corresponds to the standard enthalpy change of this reaction?
A 2 (H2O)
B (H2O) – (H2)
C (H2)
D 2 (H2O) + 2 (H2)
CHEMISTRY 9701/11
Paper 1 Multiple Choice May/June 2025
1 hour 15 minutes
You must answer on the multiple choice answer
sheet. You will need: Multiple choice answer sheet
Soft clean eraser
Soft pencil (type B or HB is recommended)
INSTRUCTIONS
There are forty questions on this paper. Answer all questions.
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.
Follow the instructions on the multiple choice answer sheet.
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.
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.
,1 ICl 3 reacts with water in a redox reaction.
vICl 3 + wH2O xHCl + yHI + zHIO3 + zHCl O3
What are the numbers v, x and z in the correctly balanced equation?
v x z
A 2 8 1
B 2 5 1
C 3 8 1
D 3 5 1
2 The rate of the reaction between a reactive metal and an excess of a dilute acid is
investigated.
The total volume of hydrogen gas produced is recorded every 30 seconds for 3
minutes.
total volume of
time / s
hydrogen gas /
cm3
0 0
30 64
60 105
90 132
120 151
150 161
180 167
The average rate of reaction during the first 30
seconds is P. The average rate of reaction during the
last 30 seconds is Q. What is the value of P – Q?
A 1.21 cm3 s–1 B 1.93 cm3 s–1 C 2.13 cm3 s–1 D 3.43 cm3 s–1
, 3 In the diagram, curve X was obtained by measuring the volume of oxygen produced
during the decomposition of 100 cm3 of 1.0 mol dm–3 hydrogen peroxide. A catalyst of
manganese(IV) oxide was used.
Y
X
volume of
oxygen
formed
0
0 time
Which alteration to the original experimental conditions would produce curve Y?
A adding more manganese(IV) oxide
B adding some 0.1 mol dm–3 hydrogen peroxide
C adding water
D raising the temperature
4 The first seven ionisation energies of an element between lithium and neon in the
Periodic Table are shown.
1310 3390 5320 7450 11 000 13 300 71 000 kJ mol–1
What is the outer electronic configuration of the element?
A 2s2 B 2s22p1 C 2s22p4 D 2s22p6
5 The reaction of hydrogen with oxygen is shown.
2H2(g) + O2(g) 2H2O(l)
Which expression corresponds to the standard enthalpy change of this reaction?
A 2 (H2O)
B (H2O) – (H2)
C (H2)
D 2 (H2O) + 2 (H2)
