AQA A LEVEL CHEMISTRY PREDICTED PAPER 2_ORGANIC AND PHYSCAL 2022
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AQA A LEVEL CHEMISTRY PREDICTED PAPER 2
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AQA A LEVEL CHEMISTRY PREDICTED PAPER 2
A-Level Chemistry
AQA
Paper 2 – Organic and Physical Chemistry
Predicted Paper 2022
In the presence of ultraviolet radiation, cyclohexane reacts with bromine.
The two steps in the mechanism for the bromination of cyclohexane to form 1-bromocyclohexane are given below.
Initiation: Br2 2B...
aqa a level chemistry predicted paper 2organic and physcal 2022
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AQA A LEVEL CHEMISTRY PREDICTED PAPER 2
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AQA 2022
A-Level Chemistry
AQA
Paper 2 – Organic and Physical Chemistry
Predicted Paper 2022
Name …………………
Date ……………………
2 hours allowed
Possible Marks
Question
marks gained
1 8
2 7
3 11
4 11
5 15
6 13
7 15
8 5
9 14
10 6
Total 105
The Advanced Information from the exam board gives us a broad overview of
what is covered in the exam. The information was given in ranked order, and
this has been reflected in the mark allocation and topics on this paper.
There are questions in this paper that cover topics that are not listed by the
exam board. These are in the multiple-choice section and a few marks in low
tariff and synoptic questions – this is exactly what you should expect in the
exam.
PREDICTED PAPER 2022
, AQA 2022
01 In the presence of ultraviolet radiation, cyclohexane reacts with
bromine.
The two steps in the mechanism for the bromination of cyclohexane to
form 1-bromocyclohexane are given below.
01.1 Name the type of mechanism in this reaction.
[1 mark]
……………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………
01.2 The mechanism of this reaction involves radicals.
What is meant by the term “radical’’?
[1 mark]
……………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………
01.3 The initial step involves homolytic fission. Explain why the initial step is
an example of homolytic fission.
[1 mark]
……………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………
01.4 Write all the possible termination steps when cyclohexane reacts with
Br2 in the presence of ultraviolet radiation.
[3 marks]
……………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………
PREDICTED PAPER 2022
, AQA 2022
01.5 The reaction of cyclohexane and bromine in the presence of ultraviolet
radiation also forms C6H10Br2.
I. Draw one of the structural isomers of C6H10Br2 formed in the
reaction between cyclohexane and bromine.
[1 mark]
II. Write the IUPAC name of the isomer which you have drawn above.
[1 mark]
…………………………………………………………………………………………………………
…………………………………………………………………………………………………………
PREDICTED PAPER 2022
, AQA 2022
02 The polymer given below is commonly known as a super-absorbent
polymer, and is classified as a hydrogel.
02.1
I. What type of polymerisation is involved in the formation of
hydrogels?
[1 mark]
…………………………………………………………………………………………………………
…………………………………………………………………………………………………………
II. Draw the displayed formula for the repeating unit of the above
polymer.
[1 mark]
III. Write the IUPAC name of the above-mentioned repeating unit.
[1 mark]
…………………………………………………………………………………………………………
…………………………………………………………………………………………………………
PREDICTED PAPER 2022
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