OCR A LEVEL JUNE 2022
CHEMISTRY A PAPER 1 QUESTION
PAPER
Oxford Cambridge and RSA
Please write clearly in black ink. Do not write in the
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First name(s)
Last name
Centre number Candidate number
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Turn over
You must have:
• the Data Sheet for Chemistry A
You can use:
• a scientific or graphical calculator
• an HB pencil
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 32 pages.
ADVICE
• Read each question carefully before you start your answer.
* H 4 3 2 0 1 *
* 9 1 0 1 3 1 1 7 1 5 *
© OCR 2022 [601/5255/2]
DC (ST/FC) 300861/4
Monday 13 June 2022 – Morning
A Level Chemistry A
H432/01 Periodic table, elements and physical chemistry
Time allowed: 2 hours 15 minutes
2
© OCR 2022
SECTION A
You should spend a maximum of 20 minutes on this section.
Write your answer to each question in the box provided.
Answer all the questions.
1 An aqueous solution contains a mixture of chloride, bromide and iodide ions.
AgNO3
(aq) is added to this mixture, followed by an excess of dilute NH3
(aq).
The resulting mixture is then filtered.
Which compound(s) is/are present in the residue on the filter paper?
A AgCl only
B AgCl and AgBr
C AgBr only
D AgBr and AgI
Your answer [1]
2 20 cm3 of nitrogen gas reacts with 10 cm3 of oxygen gas to form 20 cm3 of a gaseous product.
Which equation is the most likely for the reaction?
A N2
(g) + O2
(g) 2NO(g)
B N2
(g) + 2O2
(g) N2O4
(g)
C 2N2
(g) + O2
(g) 2N2O(g)
D 2N2
(g) + 2O2
(g) 4NO(g) [Show Less]