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    (Original post by Mary_7)
    omg yes i did
    Nope I got 1.2 something because 0.833 was for (acid)/(salt) but it wanted the reciprocal of that
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    (Original post by Fibsy)
    Hang on, for the zigzag did we have to draw trailing bonds at the ends or were they already there? Didn't notice (didn't notice most things in this paper it seems)

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    think they were already there
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    Guys, wpuld fractional distillation be okay to separate the alcohol? Also why is everyone talking about distinguishing between a haloalkane and acyl chloride and distinguishijg between two enantiomers? Have i missed a complete page of the exam (i hope not)
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    (Original post by Aerosmith)
    I'm sorry but it was definitely a dipeptide...it didn't exactly look like there were going to be trailing bonds, did it?
    but it said section of the polypeptide ( something like that ) so surely trailing bonds?
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    (Original post by soLit)
    What do you recon will be the E and U boundaries? I think i am going to need those ....
    the better question is how much UMS do you get for a U ?
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    (Original post by samim_s)
    Guys, wpuld fractional distillation be okay to separate the alcohol? Also why is everyone talking about distinguishing between a haloalkane and acyl chloride and distinguishijg between two enantiomers? Have i missed a complete page of the exam (i hope not)
    Question 4 was acyl chloride vs ketone with a chlorine in the chain
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    For that question about why the carboxylic acid with chlorine is stronger than the other one, instead of putting 'electron withdrawing' I put 'electron receiving' will I lose marks?? So annoying, I couldn't think of the word in the exam !!
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    (Original post by ravichauhan11)
    but it said section of the polypeptide ( something like that ) so surely trailing bonds?
    I definitely saw the word dipeptide
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    (Original post by jessyoung)
    I definitely saw the word dipeptide
    I definitely thought it said section of the polymer, guess we'll have to see
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    http://www.ipetitions.com/petition/l...ry-unit-4-2016
    Sign the petition guys
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    (Original post by lishakb97)
    I definitely thought it said section of the polymer, guess we'll have to see
    Oh my god. they added some bonds and also asked you to draw some in. if you had to draw trailing bonds, they would have to be straight and there was no way you could have drawn straight trailing bonds on that diagram without it looking ridiculous and wrong. ****'s sake. I hate the student room
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    (Original post by lishakb97)
    I definitely thought it said section of the polymer, guess we'll have to see
    (Original post by jessyoung)
    I definitely saw the word dipeptide
    Was this the first question on that page where you had to add bonds and atoms? If so: dipeptide
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    Hi guys, I put ethanenitrile instead of KCN in the organic synthesis question, because I remembered seeing there're extra 2 carbon there, was it just me being delusional..... :'( I was so upset, I put KCN at first and then changed it to ethanenitrile... :'(
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    (Original post by Aerosmith)
    Oh my god. they added some bonds and also asked you to draw some in. if you had to draw trailing bonds, they would have to be straight and there was no way you could have drawn straight trailing bonds on that diagram without it looking ridiculous and wrong. ****'s sake. I hate the student room
    Chill, I wasn't saying you're wrong, I was simply stating what I remembered reading.
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    (Original post by Suits101)
    Was this the first question on that page where you had to add bonds and atoms? If so: dipeptide
    Thank you!! My days. Now will whoever is trolling on this 1 piss easy question please stop, people are already a bit wound up after this exam as it is
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    (Original post by Aerosmith)
    Thank you!! My days. Now will whoever is trolling on this 1 piss easy question please stop, people are already a bit wound up after this exam as it is
    It had to be a dipeptide, the question said it was formed from glycine and another amino acid - hence you drew the dipeptide formed by adding OH, COOH, NH, H etc and all that on it
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    (Original post by ravichauhan11)
    but it said section of the polypeptide ( something like that ) so surely trailing bonds?
    it is did not say section, sorry mate.
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    (Original post by nautella)
    it is did not say section, sorry mate.
    I'm fairly sure it said Section
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    (Original post by nautella)
    it is did not say section, sorry mate.
    Im so unsure now
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    (Original post by jessyoung)
    Im so unsure now
    either way it was only one mark
 
 
 
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