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Edexcel 6CH07/01- May 8th 2013 - AS Chemistry Unit 3B

This is for the above mentioned exams. Basically this paper requires some general knowledge abt Chemistry but some questions are often repeated like why is acid used and stuff. :smile:


Unit 3 notes
http://www.thestudentroom.co.uk/attachment.php?attachmentid=213517&d=1367811923
Thanks to @thextractor007
(edited 10 years ago)

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Reply 1
Avatar for GwuanGwuan
GwuanGwuan
has any1 got any notes for this unit? or any tips as to what experiments to revise??
anything would be great!!
Reply 2
Avatar for NilFBosh
NilFBosh
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3
Study the main experiments in unit 2 organic chemistry!


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Reply 3
Avatar for Mimi85
Mimi85
Study from george facer unit 3, its really good and has everything u need to know!!!! Even unit 2 and 1 are excellent from that book, long but worth it... I have my mock tmrw on this unit, hope it goes well

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Reply 4
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Mimi85
Original post by Mimi85
Study from george facer unit 3, its really good and has everything u need to know!!!! Even unit 2 and 1 are excellent from that book, long but worth it... I have my mock tmrw on this unit, hope it goes well

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Can someone plz post 2013 jan 3b asap plz, i really need it now. Thanks
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What are all the unit 2 practicals?
Original post by Mimi85
Can someone plz post 2013 jan 3b asap plz, i really need it now. Thanks
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:smile:
6CH07_01_que_20130107.pdf513.9KB
Reply 7
Avatar for NilFBosh
NilFBosh
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Original post by Relaxedexams
What are all the unit 2 practicals?


No definite list. All experiments from organic chemistry. Reactions of alcohols like bromination, halogenation, iodination. Oxidation of primary alcohols to adehydes which themselves are rapidly oxidized to carboxylic acids. Titrations.

What are the ones in unit 1?


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Reply 8
Avatar for Mimi85
Mimi85
Original post by Relaxedexams
:smile:

THANKS A LOT.. one more thing , can i also have unit 2 2013 plzz
Original post by Mimi85
THANKS A LOT.. one more thing , can i also have unit 2 2013 plzz


http://www.freeexampapers.com/#A%20Level/Chemistry/Edexcel/2013%20Jan
6CH02_01_que_20130116.pdf464.5KB
Original post by NilFBosh
No definite list. All experiments from organic chemistry. Reactions of alcohols like bromination, halogenation, iodination. Oxidation of primary alcohols to adehydes which themselves are rapidly oxidized to carboxylic acids. Titrations.

What are the ones in unit 1?


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Ok, so...

Unit 1

Energetics
Alkanes and Alkenes (is there anything specific for unit 3 in these?)

Unit 2

Alcohol homologous series
Halogenoalkane homologous series
Group 2
Group 7
Titrations

Does this list sum up unit 3, or have I missed something? Also mass spectromacy, IR spectral analysis, mechanisms, Kinetics and equilibria have no chance of popping up in unit 3 right?
(edited 10 years ago)
Found this on TSR...

http://www.thestudentroom.co.uk/wiki/Category:u:nit_3B_A_Level_Chemistry_Revision_Notes
Reply 12
Avatar for NilFBosh
NilFBosh
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Original post by Relaxedexams
Ok, so...

Unit 1

Energetics
Alkanes and Alkenes (is there anything specific for unit 3 in these?)

Unit 2

Alcohol homologous series
Halogenoalkane homologous series
Group 2
Group 7
Titrations

Does this list sum up unit 3, or have I missed something? Also mass spectromacy, IR spectral analysis, mechanisms, Kinetics and equilibria have no chance of popping up in unit 3 right?


IR spectra is there in unit 3. It came in the Jan 13 paper.
Alcohol Reactions
Halogenoalkane reactions
Original post by NilFBosh
IR spectra is there in unit 3. It came in the Jan 13 paper.
Alcohol Reactions
Halogenoalkane reactions


:eek: If Ir spectra came in jan 2013, maybe the other topics can come as well :frown:
Reply 14
Avatar for NilFBosh
NilFBosh
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Original post by Relaxedexams
:eek: If Ir spectra came in jan 2013, maybe the other topics can come as well :frown:


There is a possibility. The syllabus for unit 3 is organized in a proper format unlike Bio unit 3 :frown:
Original post by NilFBosh
There is a possibility. The syllabus for unit 3 is organized in a proper format unlike Bio unit 3 :frown:


Either way, unit 3 for any subject has to contain only practicals. So for chem, it has to be all topics that have practicals...I just didn't realize IR spectra would be one of those...
Can someone pls tell me how to draw a perfect fractional distillation diagram.
Reply 17
Avatar for NilFBosh
NilFBosh
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Original post by Anujan Murugesu
Can someone pls tell me how to draw a perfect fractional distillation diagram.


No fractional distillation for unit 3. Only diagrams they ask to draw is heat under reflux heat and distill


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Original post by NilFBosh
No fractional distillation for unit 3. Only diagrams they ask to draw is heat under reflux heat and distill


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They gave a diagram of fractional distillation and asked to give 3 mistakes in it.
Original post by Anujan Murugesu
They gave a diagram of fractional distillation and asked to give 3 mistakes in it.


But they won't ask you to draw it. Only distillation, reflux heating and seperating funnel will be asked to draw.

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