AQA A-level Chemistry 7405 - Paper 3 - 19th June 2019

I honestly cant thank you enough ty so much! i feel so much better now :smile:

In terms of organic quite a bit came up, lots of NMR, mechanisms and stuff on chromatography so I wouldn’t bother with them if you don’t have enough time to revise everything, there’s a lot of practicals for organic (like you said, aspirin but there’s actually quite a lot with preparing it, purifying then measuring the melting point so make sure u cover all of those) and also rmb the diagrams (distillation, reflux).
I would still go over a summary of the mechanisms cos they tend to ask those quite a lot in MCQ if I’m not wrong? Also kinetics hasn’t come up much yet so I’m pretty sure they’ll ask smt to do with kinetics then relate it back to practicals of measuring ror

Reply 61

pigeontree27

10

did anyone find paper 1 and 2 this year significantly more difficult than paper 1 and 2 in 2018? i found paper 1 especially a lot harder

Reply 62

jnolan679

2

Paper 2 felt really hard there was little to no pure content only about 10 marks on rates and then working out masses and emprical formula whereas last year there was about 46 marks on pure including Kc and enthalpy, also the organic content seemed harder much more A2 content then As, hoping paper 3 has a Kc question and it looks like the EMF practical will come up as there has been no EMF, I doubt the grade boundaries will be much different this year tho so no looking great

Reply 63

Aadz7

12

Anyone know where I can find a bunch of Multiple choice questions??

Reply 64

medic2001

11

Original post by Aadz7

Anyone know where I can find a bunch of Multiple choice questions??

Physicsandmaths tutor has some

Reply 65

emiily123

6

http://scienceabove.com/wp-content/uploads/Past_Papers/AQA/Pre2009/Unit_6/AQA-CHM6W-W-QP-JUN06.pdf

Original post by Aadz7

Anyone know where I can find a bunch of Multiple choice questions??

Reply 66

scitut

3

Hi, this might be a useful resource from TES.

https://www.tes.com/teaching-resource/aqa-a-level-chemistry-7404-7405-multiple-choice-questions-12140223

Original post by emiily123

http://scienceabove.com/wp-content/uploads/Past_Papers/AQA/Pre2009/Unit_6/AQA-CHM6W-W-QP-JUN06.pdf

Reply 67

scitut

3

https://www.tes.com/teaching-resource/aqa-a-level-chemistry-7404-7405-multiple-choice-questions-12140223

Original post by Aadz7

Anyone know where I can find a bunch of Multiple choice questions??

Reply 68

Edexcel Are mugs

9

The grade boundaries will drop accordingly. Me and another in my class have medicine offers from Cambridge and we found paper 2 stupidly hard, so don’t worry

Original post by jnolan679

Paper 2 felt really hard there was little to no pure content only about 10 marks on rates and then working out masses and emprical formula whereas last year there was about 46 marks on pure including Kc and enthalpy, also the organic content seemed harder much more A2 content then As, hoping paper 3 has a Kc question and it looks like the EMF practical will come up as there has been no EMF, I doubt the grade boundaries will be much different this year tho so no looking great

Reply 69

Makapakloser

9

Is dere gonna be any inorganic,

Reply 70

Shabana27

1

Anyone have this years AS paper 1 please?

Reply 71

Edexcel Are mugs

9

I would revise everything. Multichoice is the key to doing well in this paper , if u know ur stuff u can get 25+ which really puts up your grade

Original post by Makapakloser

Is dere gonna be any inorganic,

Reply 72

violinem

10

Hey the markschemes never show graph answers and I was doing the 2017 paper 3 yesterday and wasn't sure where to plot one of the points. Does anyone know where to plot the second point on the x-axis? (Half the acid has reacted.) HX is a weak acid. TIA

Reply 73

Mcpatel24

8

Has anyone got any predictions on what might come up? I really have no energy left now why did chemistry have to be the last exam.

Reply 74

Mcpatel24

8

any tips for multiple choice as well?

Reply 75

GoldenShade

13

electrochemistry, energetics, kc and equilibria, rates

Original post by Mcpatel24

Has anyone got any predictions on what might come up? I really have no energy left now why did chemistry have to be the last exam.

Reply 76

Mcpatel24

8

thanks

Original post by GoldenShade

electrochemistry, energetics, kc and equilibria, rates

Reply 77

applesauce5

4

can anyone help me I have absolutely no idea about how the steps in purifying products help purify them? like in past/sample papers theres been qs on how like warming the solvent is necessary for purification etc. and like I have no idea??
anyone have a step-by-step for purifying subtances that explains the reasons for each step?

Reply 78

violinem

10

https://www.tes.com/teaching-resource/aqa-a-level-chemistry-required-practical-summary-11603788
Think this has the info and it has the info for the other required practicals too!
Pretty sure you warm it so that the solid that you want dissolves in it. Then when you cool it down it stops being dissolved in it. It means you can remove any impurities that are completely insoluble in the solvent.

Original post by applesauce5

can anyone help me I have absolutely no idea about how the steps in purifying products help purify them? like in past/sample papers theres been qs on how like warming the solvent is necessary for purification etc. and like I have no idea??
anyone have a step-by-step for purifying subtances that explains the reasons for each step?

Reply 79

GoldenShade

13

hey, check the chemrevise practical guide

Original post by applesauce5

can anyone help me I have absolutely no idea about how the steps in purifying products help purify them? like in past/sample papers theres been qs on how like warming the solvent is necessary for purification etc. and like I have no idea??
anyone have a step-by-step for purifying subtances that explains the reasons for each step?

AQA A-level Chemistry 7405 - Paper 3 - 19th June 2019

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