100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
AQA A LEVEL CHEMISTRY PREDICTED PAPER 2_ORGANIC AND PHYSCAL 2022 $12.99   Add to cart

Exam (elaborations)

AQA A LEVEL CHEMISTRY PREDICTED PAPER 2_ORGANIC AND PHYSCAL 2022

 49 views  0 purchase
  • Course
  • Institution

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...

[Show more]

Preview 4 out of 40  pages

  • June 20, 2022
  • 40
  • 2021/2022
  • Exam (elaborations)
  • Answers
avatar-seller
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.


Initiation: Br2  2Br.
Propagation: C6H12 + Br.  C6H11. + HBr

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

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller papersMASTERS01. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

78252 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling

Recently viewed by you


$12.99
  • (0)
  Add to cart