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AQA A level Chemistry Paper 3 CGP Practice Test Questions and accurate Answers.

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AQA A level Chemistry Paper 3 CGP Practice Test Questions and accurate Answers.

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AQA CHEMISTRY

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AQA CHEMISTRY

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Institution: AQA CHEMISTRY
Module: AQA CHEMISTRY

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Uploaded on: April 28, 2025
Number of pages: 1
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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aqa a level chemistry paper 3 cgp practice test

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AQA A-LEVEL CHEMISTRY PAPER 3 CGP PRACTICE TEST FF

I2m+mCH3COCH3m-->mCH3COCH2Im+mH+m+mI-m

Suggestmthemtypemofmreactionmthatmoccursmwhenmpropanonemreactsmwithmiodineminmanm
acidicmsolution.m-m"ACCURATEmANSWER"mmsubstitution

Explainmwhymthemscientistmchosemconcentrationsmofmpropanonemandmhydrochloricmacidmtha
tmweremmuchmgreatermthanmthatmofmiodinemsolution.m-
m"ACCURATEmANSWER"mmSomthatmratemwillmonlymdependmonmiodine

Describemexperimentsmusingmtheminitialmratesmmethodmtomdeterminemthatmthismreaction'sm
reactantm(x)misminmsecondmorder.mx9m-m"ACCURATEmANSWER"mm1-
mcarrymoutmthemexperimentsmseveralmtimesmatmdifferentmconcentrationsmofmxm

2-mkeepmthemconcentrationmofmthemothermreactantsmconstant

3-mstartmthemtimermasmsoonmasmthemreactantsmaremmixed

4-mmeasuremthemconcentrationmofmXmasmregularmintervalsm

5-mplotmamgraphmofmXmconcentrationm(y-axis)mandmtimem(x-axis)

6-mdrawmcurvemofmbestmfitm

7-mdrawmthemtangentmatmt=0

8-mfindmthemgradientm=minitialmratem(formallmconcentrations)

9-
mcomparemthemconcentrationmandmtheminitialmratesm(e.gmifmthemconc.mdoublesmandmthem
ratemquadruples)

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AQA A level Chemistry Paper 3 CGP Practice Test Questions and accurate Answers.

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