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otrivine
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#1
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Hello everyone,


OCR

This is a revision thread for F324, any discussions and questions/question and answer session will take place here.
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MasterYi
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Please explain to me the difference between Kekule's Benzene structure and the 'real' Benzene structure.
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otrivine
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(Original post by MasterYi)
Please explain to me the difference between Kekule's Benzene structure and the 'real' Benzene structure.
Nice to have you back


The difference is that the real benzene structure is more energetically stable than the kekule and is more accepted. The real benzene does not polarise the bromine molecule due to no double bond being present. Also, hydrogenation of Kekule is more than benzene, also not enough evidence and chemical properties of kekule and so is less accepted?
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MasterYi
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(Original post by otrivine)
Nice to have you back


The difference is that the real benzene structure is more energetically stable than the kekule and is more accepted. The real benzene does not polarise the bromine molecule due to no double bond being present. Also, hydrogenation of Kekule is more than benzene, also not enough evidence and chemical properties of kekule and so is less accepted?
Yeah I guess. Tell me about the structure of benzene. (Bonds, pi system, etc)
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otrivine
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(Original post by MasterYi)
Yeah I guess. Tell me about the structure of benzene. (Bonds, pi system, etc)
the structure is decoloised, (trigonal)planar molecule, the pi orbitals overlap, would include a diagram in the exam, bonding is covalent between carbon atoms, 120 .


I have not yet started chapter 1. When I finished chapter 1 and 2 fully we revise

Where are you up to now with your revision
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MasterYi
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(Original post by otrivine)
the structure is decoloised, (trigonal)planar molecule, the pi orbitals overlap, would include a diagram in the exam, bonding is covalent between carbon atoms, 120 .


I have not yet started chapter 1. When I finished chapter 1 and 2 fully we revise

Where are you up to now with your revision
Ohkay sorry.

I've barely started. I've a load of past papers and all F324 resource papers from this site http://www.a-levelchemistry.co.uk/OC...resources.html and I've started writing notes for myself plus notes from the internet.
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otrivine
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(Original post by MasterYi)
Ohkay sorry.

I've barely started. I've a load of past papers and all F324 resource papers from this site http://www.a-levelchemistry.co.uk/OC...resources.html and I've started writing notes for myself plus notes from the internet.
Yes, I want to start revision from Sunday and finishing the chapters and doing all the questions!
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MasterYi
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(Original post by otrivine)
Yes, I want to start revision from Sunday and finishing the chapters and doing all the questions!
The summer exams seems to creep up really fast, they're only in a few months time.
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otrivine
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(Original post by MasterYi)
The summer exams seems to creep up really fast, they're only in a few months time.
OMG , please dont make me panic

I want to aim to finish the whole F324 by middlish of April and then just spend the two months with question and question
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MasterYi
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Also is it possible to add OCR to the start of the thread title to make it easier to search.
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MasterYi
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(Original post by otrivine)
OMG , please dont make me panic

I want to aim to finish the whole F324 by middlish of April and then just spend the two months with question and question
Thats a good place to start/finish. I probably won't finish until May because of lessons.
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MasterYi
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(Original post by otrivine)
Hello everyone,


OCR
I meant the title but thats fine too.
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otrivine
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(Original post by MasterYi)
Thats a good place to start/finish. I probably won't finish until May because of lessons.
I need to revise F325 again! I still remember my stuff but need to recap
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MasterYi
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(Original post by otrivine)
I need to revise F325 again! I still remember my stuff but need to recap
Do you have notes and past papers and resources?

Maybe you can start a/an F325 thread.
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otrivine
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(Original post by MasterYi)
Do you have notes and past papers and resources?

Maybe you can start a/an F325 thread.
of F324 you mean ?

Yes I will Are you retaking f325/
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MasterYi
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(Original post by otrivine)
of F324 you mean ?

Yes I will Are you retaking f325/
I mean both. No I won't be retaking it.
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otrivine
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(Original post by MasterYi)
I mean both. No I won't be retaking it.
I use the site OCR chemistry where there are so many questions

By the way I really want to know from which country are u from? India or china/hong kong
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Gulzar
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So glad this thread is up early...I was surprised how early you need to revise to get good grades :P
Anyone doing both F324 and F325?
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otrivine
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#19
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(Original post by Gulzar)
So glad this thread is up early...I was surprised how early you need to revise to get good grades :P
Anyone doing both F324 and F325?
Join the club
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Gulzar
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(Original post by otrivine)
Join the club
Otrivine werent u retaking F325, if Im remebering correctly?
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