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AQA CHEM4 - 13th June 2012

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    (Original post by PatrickD)
    I really need to start revising for this, along with CHEM5, soon. We've got a CHEM5 mock soon so I'll probably focus on that for a bit but then I need to knuckle down with all the organic/carbonyl chemistry. We've finished learning CHEM5 and have done the second ISA so I have no excuses now!

    As for specific topics, I really like Acids, bases and buffers, Kinetics, and Equilibria (as I can do the calculations without having to remember too much) but all the learning in Compounds containing the carbonyl group, Aromatic chemistry, and Amines is so tedious!
    So true! It's just this organic synthesis I am getting puzzled on. Just wondering.if anyone knows a site where I can some random synthesis type questions
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    (Original post by Doctor.)
    So true! It's just this organic synthesis I am getting puzzled on. Just wondering.if anyone knows a site where I can some random synthesis type questions
    Not sure if you already know about a-levelchemistry.co.uk? It has past exam questions and exercises for all the topics in separate links.
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    (Original post by PatrickD)
    Not sure if you already know about a-levelchemistry.co.uk? It has past exam questions and exercises for all the topics in separate links.
    my teacher printed them all off lol .

    I have gone through most of them, think I should just keep going over the organic questions then Thanks

    I think my main problem area is Synthesis and NMR

    Let me know how you get on
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    Chem 4: Organic. Game over
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    (Original post by Doctor.)
    Really depends on what your strengths are! CHEM5 is a lot of memory and some advance concepts. Nothing too major though DON'T WORRY
    Hmmm- Is that the only hard part, remembering everything? If the paper is just memory test then I think I'll be alrite. Infact, at this moment I think chem 4 is the more annoying one cos it contains all the number crunching parts of A2 chemistry, which means I might lose lots of silly marks in the paper even if I understand the topic completely. Agree?

    chem 4 organic is just wierd
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    (Original post by nmudz_009)
    Hmmm- Is that the only hard part, remembering everything? If the paper is just memory test then I think I'll be alrite. Infact, at this moment I think chem 4 is the more annoying one cos it contains all the number crunching parts of A2 chemistry, which means I might lose lots of silly marks in the paper even if I understand the topic completely. Agree?

    chem 4 organic is just wierd
    There Is sill some number crunching for CHEM5 but not too bad! There are still some concepts to get your head round in Chem5 though so watch out!
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    (Original post by thegodofgod)
    I'm doing BIOL2, BIOL5, CHEM4, CHEM5 this summer :eek4:
    similar to me, I'm doing BIOL1, BIOL4, BIOL5, CHEM4, CHEM5 :'(
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    Does any one have any ISA tips for?! unlike most schools, our school's a bitch and doesn't dish out the answers
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    (Original post by biofreak)
    similar to me, I'm doing BIOL1, BIOL4, BIOL5, CHEM4, CHEM5 :'(
    :eek:

    I can't complain any more then

    :getmecoat:
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    Right guys, so I have been trying to do this Organic Synthesis but I feel like I am not getting anywhere. How do you all cope with it, really need some techniques. I cant do the whole 'just stare at the compound and an idea will hit me'-thing

    Anything helpful will be much apprecited, and +reped
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    (Original post by Doctor.)
    Right guys, so I have been trying to do this Organic Synthesis but I feel like I am not getting anywhere. How do you all cope with it, really need some techniques. I cant do the whole 'just stare at the compound and an idea will hit me'-thing

    Anything helpful will be much apprecited, and +reped
    I usually try to start off with a really simple compound, e.g. an alkane.

    e.g. Butane ---> 2-Hydroxypentanenitrile:

    Butane --> 1-Chlorobutane --> Butan-1-ol --> Butanal --> 2-Hydroxypentanenitrile
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    (Original post by thegodofgod)
    I usually try to start off with a really simple compound, e.g. an alkane.

    e.g. Butane ---> 2-Hydroxypentanenitrile:

    Butane --> 1-Chlorobutane --> Butan-1-ol --> Butanal --> 2-Hydroxypentanenitrile
    But how dya realise what you should put next?
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    (Original post by Doctor.)
    But how dya realise what you should put next?
    Sorry?

    Do you mean, how do you work out what the intermediate compounds are?

    I usually work my way backwards - it works easier for me than going forwards

    If that fails...

    Spoiler:
    Show
    Trial and Error
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    (Original post by thegodofgod)
    Sorry?

    Do you mean, how do you work out what the intermediate compounds are?

    I usually work my way backwards - it works easier for me than going forwards

    If that fails...

    Spoiler:
    Show
    Trial and Error
    aha cool I will give it a go . Just going through all the sections now :mad:...So much content
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    Stressing so hard! I DONT understand anyhthing! I cant remeber anything and i can just about id if its a ketone, aldehyde or an acid. Need an A, dont know what to do!
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    I hate this unit so much.

    Anyone have any useful websites/questions on organic synthesiss + how to practice all the maths stuff (i.e. acids + bases, equilibrium, rates) ?
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    (Original post by sanaindaclub)
    Stressing so hard! I DONT understand anyhthing! I cant remeber anything and i can just about id if its a ketone, aldehyde or an acid. Need an A, dont know what to do!

    Oh god, same!
    I'm like.... 'err thats an ester!!' .. but that's pretty much it. FML.

    Need and A for my course so have to get that, or I'll shoot myself XD
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    (Original post by Bright.Inspiration.)
    Oh god, same!
    I'm like.... 'err thats an ester!!' .. but that's pretty much it. FML.

    Need and A for my course so have to get that, or I'll shoot myself XD
    Only thing I can say: BEAST CHEM5 (I am struggling on this unit too )

    (Original post by Bright.Inspiration.)
    I hate this unit so much.

    Anyone have any useful websites/questions on organic synthesiss + how to practice all the maths stuff (i.e. acids + bases, equilibrium, rates) ?
    haha I can't do this at all Organic Synthesis has made me cry...twice :cry:

    (Original post by sanaindaclub)
    Stressing so hard! I DONT understand anyhthing! I cant remeber anything and i can just about id if its a ketone, aldehyde or an acid. Need an A, dont know what to do!
    This unit is too much
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    (Original post by masterhr1)
    Does anybody have the Jan 2012 CHEM 4 paper?
    See attachments
    Attached Files
  1. File Type: pdf AQA-CHEM4-QP-Jan12.pdf (826.2 KB, 149 views)
  2. File Type: pdf AQA-CHEM4-W-MS-Jan12.pdf (202.8 KB, 172 views)
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    (Original post by Doctor.)
    Only thing I can say: BEAST CHEM5 (I am struggling on this unit too )


    haha I can't do this at all Organic Synthesis has made me cry...twice :cry:



    This unit is too much
    :eek:

    Org Synth is so cool! :party:

    Best bit of Chem IMHO

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