A-Level OCR 2025 Chemistry A Paper 2

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Oxford Cambridge and RSA




A-Level OCR 2025 Chemistry A Paper 2


Monday 16 June 2025 – Morning

A Level Chemistry A

H432/02 Synthesis and analytical techniques

Time allowed: 2 hours 15 minutes




1
Turn over

, 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

, 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

, 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