A LEVEL CHEMISTRY A H432/02
SYNTHESIS AND ANALYTICAL
TECHNIQUES ACTUAL 2025 PAPER
MERGED WITH MARK SCHEME
vincent marekia
[COMPANY NAME] [Company address]
, 1
*1849114533*
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] DC (WW/SW) 346686/6
OCR is an exempt Charity
Turn over
Section A
You should spend a maximum of 20 minutes on this section.
© OCR 2025
, 2
Write your answer to each question in the box provided.
1 Which compound is alicyclic and unsaturated?
A
B
C
D
Your answer
[1] 2 0.0200 mol of the compound below reacts with Br 2(aq) to make a saturated
compound.
How many grams of Br2 are needed for this reaction?
Cl
© OCR 2025 Turn over
, 3
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
Section A.................................................................................................................... 1
B................................................................................................................................. 2
C 6.............................................................................................................................. 6
D 8.............................................................................................................................. 6
Your answer
[1] 4 Which diagram shows the correct way to set up apparatus for converting ethanol to
ethanoic acid?
© OCR 2025
SYNTHESIS AND ANALYTICAL
TECHNIQUES ACTUAL 2025 PAPER
MERGED WITH MARK SCHEME
vincent marekia
[COMPANY NAME] [Company address]
, 1
*1849114533*
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] DC (WW/SW) 346686/6
OCR is an exempt Charity
Turn over
Section A
You should spend a maximum of 20 minutes on this section.
© OCR 2025
, 2
Write your answer to each question in the box provided.
1 Which compound is alicyclic and unsaturated?
A
B
C
D
Your answer
[1] 2 0.0200 mol of the compound below reacts with Br 2(aq) to make a saturated
compound.
How many grams of Br2 are needed for this reaction?
Cl
© OCR 2025 Turn over
, 3
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
Section A.................................................................................................................... 1
B................................................................................................................................. 2
C 6.............................................................................................................................. 6
D 8.............................................................................................................................. 6
Your answer
[1] 4 Which diagram shows the correct way to set up apparatus for converting ethanol to
ethanoic acid?
© OCR 2025
