Page 12025
of 772025
OCR AOCR
Level
A/AS
Chemistry
Level | Question
A H43202Paper
Synthesis
with Exam-Ready
and analytical
2025Examiner
techniques
OCR A/ASMark
Verified
Level
Scheme
| Question
QuestionPaper
paper with
with Exam-Ready
Marking Scheme
Examiner
Attached.pdf
Mark Scheme
2025 OCR A Level Chemistry A
H432/02 Synthesis and analytical techniques
Verified Question paper with Marking Scheme Attached
Oxford Cambridge and RSA
Monday 16 June 2025 – Morning
A Level Chemistry A
H432/02 Synthesis and analytical techniques
Time allowed: 2 hours 15 minutes
You must have:
• the Data Sheet for Chemistry A
You can use:
• a ruler (cm/mm)
• a scientific or graphical calculator
• an HB pencil
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use the lined
pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be given
for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 100.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 36 pages.
ADVICE
• Read each question carefully before you start your answer
© OCR 2025 [601/5255/2] OCR is an exempt Charity
DC (WW/SW) 346686/6 Turn over
S Level question
2025 OCR
2025
paper,
AOCR
Level
including
AChemistry
Level
the
Chemistry
complete
A H43202
AQuestion
H43202
Synthesis
Paper
Synthesis
andwith
analytical
and
Exam-Ready
analytical
techniques
Examiner
techniques
Verified
Mark
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Attached.pdf
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of 772025
OCR AOCR
Level
A/AS
Chemistry
Level | Question
A H43202Paper
Synthesis
with Exam-Ready
and analytical
2025Examiner
techniques
OCR A/ASMark
Verified
Level
Scheme
| Question
QuestionPaper
paper with
with Exam-Ready
Marking Scheme
Examiner
Attached.pdf
Mark Scheme
2
Section A
You should spend a maximum of 20 minutes on this section.
Write your answer to each question in the box provided.
1 Which compound is alicyclic and unsaturated?
A
B
C
D
Your answer
[1]
© OCR 2025
S Level question
2025 OCR
2025
paper,
AOCR
Level
including
AChemistry
Level
the
Chemistry
complete
A H43202
AQuestion
H43202
Synthesis
Paper
Synthesis
andwith
analytical
and
Exam-Ready
analytical
techniques
Examiner
techniques
Verified
Mark
Verified
Question
Scheme.
Question
paper
Covers
with
paperall
Marking
with
examinable
Marking
Schemecontent
Scheme
Attached.pdf
with
Attached.pdf
Verified Answers
, Page 32025
of 772025
OCR AOCR
Level
A/AS
Chemistry
Level | Question
A H43202Paper
Synthesis
with Exam-Ready
and analytical
2025Examiner
techniques
OCR A/ASMark
Verified
Level
Scheme
| Question
QuestionPaper
paper with
with Exam-Ready
Marking Scheme
Examiner
Attached.pdf
Mark Scheme
3
2 0.0200 mol of the compound below reacts with Br2(aq) to make a saturated compound. How
many grams of Br2 are needed for this reaction?
Cl
A 3.20
B 6.39
C 7.99
D 12.80
Your answer
[1]
3 The skeletal structure of a medicinal drug is shown below.
How many hydrogen atoms are in its molecular formula?
H
N
Cl
Cl
A 14
B 15
C 17
D 19
Your answer
[1]
© OCR 2025 Turn over
S Level question
2025 OCR
2025
paper,
AOCR
Level
including
AChemistry
Level
the
Chemistry
complete
A H43202
AQuestion
H43202
Synthesis
Paper
Synthesis
andwith
analytical
and
Exam-Ready
analytical
techniques
Examiner
techniques
Verified
Mark
Verified
Question
Scheme.
Question
paper
Covers
with
paperall
Marking
with
examinable
Marking
Schemecontent
Scheme
Attached.pdf
with
Attached.pdf
Verified Answers
, Page 42025
of 772025
OCR AOCR
Level
A/AS
Chemistry
Level | Question
A H43202Paper
Synthesis
with Exam-Ready
and analytical
2025Examiner
techniques
OCR A/ASMark
Verified
Level
Scheme
| Question
QuestionPaper
paper with
with Exam-Ready
Marking Scheme
Examiner
Attached.pdf
Mark Scheme
4
4 Which diagram shows the correct way to set up apparatus for converting ethanol to ethanoic acid?
water out water in
A B
water in water out
water out water in
water in water out
C D
Your answer
[1]
© OCR 2025
S Level question
2025 OCR
2025
paper,
AOCR
Level
including
AChemistry
Level
the
Chemistry
complete
A H43202
AQuestion
H43202
Synthesis
Paper
Synthesis
andwith
analytical
and
Exam-Ready
analytical
techniques
Examiner
techniques
Verified
Mark
Verified
Question
Scheme.
Question
paper
Covers
with
paperall
Marking
with
examinable
Marking
Schemecontent
Scheme
Attached.pdf
with
Attached.pdf
Verified Answers
of 772025
OCR AOCR
Level
A/AS
Chemistry
Level | Question
A H43202Paper
Synthesis
with Exam-Ready
and analytical
2025Examiner
techniques
OCR A/ASMark
Verified
Level
Scheme
| Question
QuestionPaper
paper with
with Exam-Ready
Marking Scheme
Examiner
Attached.pdf
Mark Scheme
2025 OCR A Level Chemistry A
H432/02 Synthesis and analytical techniques
Verified Question paper with Marking Scheme Attached
Oxford Cambridge and RSA
Monday 16 June 2025 – Morning
A Level Chemistry A
H432/02 Synthesis and analytical techniques
Time allowed: 2 hours 15 minutes
You must have:
• the Data Sheet for Chemistry A
You can use:
• a ruler (cm/mm)
• a scientific or graphical calculator
• an HB pencil
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use the lined
pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be given
for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 100.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 36 pages.
ADVICE
• Read each question carefully before you start your answer
© OCR 2025 [601/5255/2] OCR is an exempt Charity
DC (WW/SW) 346686/6 Turn over
S Level question
2025 OCR
2025
paper,
AOCR
Level
including
AChemistry
Level
the
Chemistry
complete
A H43202
AQuestion
H43202
Synthesis
Paper
Synthesis
andwith
analytical
and
Exam-Ready
analytical
techniques
Examiner
techniques
Verified
Mark
Verified
Question
Scheme.
Question
paper
Covers
with
paperall
Marking
with
examinable
Marking
Schemecontent
Scheme
Attached.pdf
with
Attached.pdf
Verified Answers
, Page 22025
of 772025
OCR AOCR
Level
A/AS
Chemistry
Level | Question
A H43202Paper
Synthesis
with Exam-Ready
and analytical
2025Examiner
techniques
OCR A/ASMark
Verified
Level
Scheme
| Question
QuestionPaper
paper with
with Exam-Ready
Marking Scheme
Examiner
Attached.pdf
Mark Scheme
2
Section A
You should spend a maximum of 20 minutes on this section.
Write your answer to each question in the box provided.
1 Which compound is alicyclic and unsaturated?
A
B
C
D
Your answer
[1]
© OCR 2025
S Level question
2025 OCR
2025
paper,
AOCR
Level
including
AChemistry
Level
the
Chemistry
complete
A H43202
AQuestion
H43202
Synthesis
Paper
Synthesis
andwith
analytical
and
Exam-Ready
analytical
techniques
Examiner
techniques
Verified
Mark
Verified
Question
Scheme.
Question
paper
Covers
with
paperall
Marking
with
examinable
Marking
Schemecontent
Scheme
Attached.pdf
with
Attached.pdf
Verified Answers
, Page 32025
of 772025
OCR AOCR
Level
A/AS
Chemistry
Level | Question
A H43202Paper
Synthesis
with Exam-Ready
and analytical
2025Examiner
techniques
OCR A/ASMark
Verified
Level
Scheme
| Question
QuestionPaper
paper with
with Exam-Ready
Marking Scheme
Examiner
Attached.pdf
Mark Scheme
3
2 0.0200 mol of the compound below reacts with Br2(aq) to make a saturated compound. How
many grams of Br2 are needed for this reaction?
Cl
A 3.20
B 6.39
C 7.99
D 12.80
Your answer
[1]
3 The skeletal structure of a medicinal drug is shown below.
How many hydrogen atoms are in its molecular formula?
H
N
Cl
Cl
A 14
B 15
C 17
D 19
Your answer
[1]
© OCR 2025 Turn over
S Level question
2025 OCR
2025
paper,
AOCR
Level
including
AChemistry
Level
the
Chemistry
complete
A H43202
AQuestion
H43202
Synthesis
Paper
Synthesis
andwith
analytical
and
Exam-Ready
analytical
techniques
Examiner
techniques
Verified
Mark
Verified
Question
Scheme.
Question
paper
Covers
with
paperall
Marking
with
examinable
Marking
Schemecontent
Scheme
Attached.pdf
with
Attached.pdf
Verified Answers
, Page 42025
of 772025
OCR AOCR
Level
A/AS
Chemistry
Level | Question
A H43202Paper
Synthesis
with Exam-Ready
and analytical
2025Examiner
techniques
OCR A/ASMark
Verified
Level
Scheme
| Question
QuestionPaper
paper with
with Exam-Ready
Marking Scheme
Examiner
Attached.pdf
Mark Scheme
4
4 Which diagram shows the correct way to set up apparatus for converting ethanol to ethanoic acid?
water out water in
A B
water in water out
water out water in
water in water out
C D
Your answer
[1]
© OCR 2025
S Level question
2025 OCR
2025
paper,
AOCR
Level
including
AChemistry
Level
the
Chemistry
complete
A H43202
AQuestion
H43202
Synthesis
Paper
Synthesis
andwith
analytical
and
Exam-Ready
analytical
techniques
Examiner
techniques
Verified
Mark
Verified
Question
Scheme.
Question
paper
Covers
with
paperall
Marking
with
examinable
Marking
Schemecontent
Scheme
Attached.pdf
with
Attached.pdf
Verified Answers
