Exam (elaborations)
AQA A Level Chemistry 7405/3 Paper 3 June 2024 Question Paper
- Course
- Institution
AQA A Level Chemistry 7405/3 Paper 3 June 2024
[Show more]
Content preview
AQA A Level Chemistry 7405/3 Paper 3 June2024 Question Paper
, PleaseIwriteIclearlyIinIblockIcapitals.
CentreInumberIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII CandidateInumber
Surname
Forename(s)IIIIIIIIIIIIIII I
CandidateIsignatureIIIII
IIdeclareIthisIisImyIownIwork.
A-level
CHEMISTRY
PaperI 3
FridayI21I JuneI 2024 Morning TimeIallowed:I2Ihours
Materials
ForIthisIpaperIyouImustIhave: For Examiner’s Use
•I theIPeriodicITable/DataIBooklet,IprovidedIasIanIinsertI(enclosed)
•I aIrulerIwithImillimetreImeasurements Question Mark
•I aIscientificIcalculator,IwhichIyouIareIexpectedItoIuseIwhereIappropriate. 1
2
Instructions
3
•I UseIblackIinkIorIblackIball-pointIpen.
•I FillIinItheIboxesIatItheItopIofIthisIpage. 4
•I AnswerIallIquestions. 5
•I YouImustIanswerItheIquestionsIinItheIspacesIprovided.IIDoInotIwriteIoutside Section B
ItheIboxIaroundIeachIpageIorIonIblankIpages.
•I IfIyouIneedIextraIspaceIforIyourIanswer(s),IuseItheIlinedIpagesIatItheIendIof TOTAL
IthisIbook.IIWriteItheIquestionInumberIagainstIyourIanswer(s).
•I AllIworkingImustIbeIshown.
•I DoIallIroughIworkIinIthisIbook.IICrossIthroughIanyIworkIyouIdoInot
IwantItoIbeImarked.
Information
•I TheImarksIforIquestionsIareIshownIinIbrackets.
•I TheImaximumImarkIforIthisIpaperIisI90.
Advice
•I YouIareIadvisedItoIspendI70IminutesIonISectionIAIandI50IminutesIonISectionIB.
IB/M/Jun24/G4006/
, 2
DoInotIwriteI
outsideItheI
SectionIA box
AnswerIallIquestionsIinIthisIsection.
0III 1IIIIIIIIIIII TheIstructureIofI2-hydroxybenzenecarboxylicIacidIisIshown.
0III 1II.II 1IIIII GiveItheIequationIforItheIreactionIofI2-hydroxybenzenecarboxylicIacidIwithImethanol.
InIyourIequation,IincludeItheIskeletalIformulaIofItheIorganicIproduct.
[2Imarks]
AspirinIisIproducedIfromI2-
hydroxybenzenecarboxylicIacidIbyIreactionIwithIethanoicIanhydrideIinItheI
presenceIofIconcentratedIphosphoricIacid.
Method
1.IAddI2-hydroxybenzenecarboxylicIacidItoIaIconicalIflask.
2.IAddIexcessIethanoicIanhydride.
3.IAddIaIfewIdropsIofIconcentratedIphosphoricIacid.
4.IHeatItheIflaskItoI85I°CIforI10Iminutes.
5.ICoolItheIflaskIandIpourItheIcontentsIintoI150Icm3I ofIcoldIwater.
6.IFilterIandIwashItheIimpureIsolidIaspirin.
7.IRecrystalliseItheIaspirinIusingIaI50:50ImixtureIofIwaterIandIethanol.
8.ICheckItheIpurityIofItheIaspirin.
0 1II.II 2IIIII AspirinIcanIalsoIbeIproducedIbyIreactingI2-
hydroxybenzenecarboxylicIacidIwithIethanoylIchloride.
StateIwhyIethanoicIanhydrideIisIpreferredItoIethanoylIchlorideIforIthisIpreparation.
[1Imark]
*02*
IB/M/Jun24/7405/3
, 3
DoInotIwriteI
outsideItheI
0III 1II.II 3IIIII GiveItheInameIofItheImechanismIforItheIreactionIof box
2-hydroxybenzenecarboxylicIacidIwithIethanoicIanhydride.
[1Imark]
0III 1II.II 4IIIII SuggestItheIroleIofItheIconcentratedIphosphoricIacid.
[1Imark]
0III 1II.II 5IIIII SuggestIwhyIrefluxIisInotIessentialIwhenItheIflaskIisIheatedItoI85I°CIforI10Iminutes.
[1Imark]
0III 1II.II 6IIIII CompleteIandIlabelItheIdiagramItoIshowIhowItheIimpureIsolidIisIfiltered.
[2Imarks]
QuestionI1IcontinuesIonItheInextIpage
TurnIoverI►
*03*
IB/M/Jun24/7405/3
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 nurse_steph. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.99. 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