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    Phenol more easily nitrated than benzene because the lone pair from the oxygen atom is delocalised into the ring of electrons increasing electron density and making the phenol more susceptible to electrophilic attack

    the student was incorrect because two of the nitrobenzenes produced 6 peaks and one produced 4 peaks.

    the question with the 1.88g of a precipitate obtained from reacting a haloalkane with AgNO3, the precipitate was AgBr so the haloalkane was a bromoalkane


    Compound N was C3H8O2

    PREDICTION FOR PAPER 3 HERE
    https://www.youtube.com/watch?v=GPLNUobTwB4
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    Did anybody get 0.13 for the concentration on the GC question?? Pretty sure I’ve got it wrong
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    (Original post by TheBrownSloth)
    Did anybody get 0.13 for the concentration on the GC question?? Pretty sure I’ve got it wrong
    I got 0.75x10^-4 but I’m really not confident on that

    EDIT: 7.55x10^-4 i remembered wrong
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    (Original post by tomcowell99)
    I got 0.75x10^-4 but I’m really not confident on that
    People from my college got the the same so you’re probably right
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    How did everyone find it? I feel like it was harder than paper 1 and much harder than last year’s paper 2... with some questions on topics that there aren’t many past papers on, like gas chromatography and H NMR with d2o... hope the grade boundaries will be lower!!!
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    (Original post by escaff)
    How did everyone find it? I feel like it was harder than paper 1 and much harder than last year’s paper 2... with some questions on topics that there aren’t many past papers on, like gas chromatography and H NMR with d2o... hope the grade boundaries will be lower!!!
    I feel the same, I didn’t really like that paper, I hope the grade boundaries will be lower, btw my chemistry teacher without being offensive to her is not exactly a genius in chemistry and didn’t teach us very well so we were all underprepared 😭😭😭
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    okay so for an A in chemistry last year it was 76
    what do you think it will be this year
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    7.0x10-4 for the concentration sound right?
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    What did people get for the NMR? I had ch3ch(oh)c(ch3)2cooh
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    what do you estimate will be worth an A
    76 was last year
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    Can you Clarify if this is for OCR A or OCR B Salters please?? Thanks
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    (Original post by amelyaaaaa)
    Can you Clarify if this is for OCR A or OCR B Salters please?? Thanks
    OCR A i think
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    I got ACBB for Q1 2 3 and 4
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    (Original post by Mk1237)
    I got ACBB for Q1 2 3 and 4
    A??? Fml is it not d20
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    (Original post by Mk1237)
    I got ACBB for Q1 2 3 and 4
    Me too!
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    I hated that paper..I haven’t seen anything like it before
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    (Original post by Boopiter)
    What did people get for the NMR? I had ch3ch(oh)c(ch3)2cooh
    That's what I got
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    (Original post by TheBrownSloth)
    Did anybody get 0.13 for the concentration on the GC question?? Pretty sure I’ve got it wrong
    I did! idk if it’s right tho haha
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    (Original post by Boopiter)
    What did people get for the NMR? I had ch3ch(oh)c(ch3)2cooh
    edit: nvm
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    I failed that paper ...couldn’t answer over half of it
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