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Exam (elaborations)

A-Level OCR 2025 Chemistry A Paper 2

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A-Level OCR 2025 Chemistry A Paper 2 Synthesis and analytical techniques

Institution
OCR
Module
All











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Uploaded on
November 21, 2025
Number of pages
31
Written in
2025/2026
Type
Exam (elaborations)
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Only questions

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Revision303 Revision303 Revision303



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


Revision303 First name(s) Revision303 Revision303
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.




Turn over



Revision303 Revision303 Revision303

,Revision303 Revision303 Revision303
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



Revision303 Revision303 Revision303




C




D


Your answer
[1]




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,Revision303 Revision303 Revision303
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?


Revision303 H Revision303 Revision303
N


Cl




Cl


A 14

B 15

C 17

D 19


Your answer
[1]




Turn over



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, Revision303 Revision303 Revision303
4
4 Which diagram shows the correct way to set up apparatus for converting ethanol to ethanoic
acid?




waterout
water
water out
out waterin
water
water inin




A B
waterin
water
water inin waterout
water
water out
out




Revision303 Revision303 Revision303


waterout
water
water out
out waterin
water
water inin
waterin
water
water inin waterout
water
water out
out

C D




Your answer
[1]




Revision303 Revision303 Revision303

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