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Edexcel IAL, Unit 5: Transition Metals and Organic Nitrogen Chemistry. 22-Jun-2016 Watch

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    I wrote ligand exchange, coz all ligands are exchanged...
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    (Original post by AKucukuncular)
    I wrote +3 because it was a salt of Fe+3, the Fe in bold, with the anion containing Fe itself.
    Crap. I saw the question as Fe4[Fe(CN)6] Since the ligand has a charge of -4 I thought 4Fe would have a total charge of +4 therefore that was the oxidation state.

    I don't know. Maybe I was in a hurry to get chemistry over with.
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    (Original post by RizK)
    Crap. I saw the question as Fe4[Fe(CN)6] Since the ligand has a charge of -4 I thought 4Fe would have a total charge of +4 therefore that was the oxidation state.

    I don't know. Maybe I was in a hurry to get chemistry over with.
    U miss 3 behind the complex ion
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    I remember there was a question about benzene and we had to reduce the ketone group to an alcohol and then add PCl5 to change it to the final product..? Was I correct?
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    I find that there were no nmr or IR questions ... Weren't it weird
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    Asking about diamond....unexpected lol
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    What was formulaa of zwitter ion
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    If you consider explanation of the benzene structure as a question haha

    (Original post by 12103763d)
    I find that there were no nmr or IR questions ... Weren't it weird
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    How did everyone find it? i think it was quite easy, what did u guys get for the enthalpy question? Multiple choice was surprisingly easy! Did any one get 2:5 as the ratio for the Mn042- : S2O32- ?
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    What was mass of Fe(II) and Fe(III)
    i got 0.59 and 1.sth
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    Pretty good paper!
    How did you guys get the AgCl question complex ion?
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    (Original post by Level9)
    What was mass of Fe(II) and Fe(III)
    i got 0.59 and 1.sth


    i got 1.83 n 1.98
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    (Original post by coollike)
    How did everyone find it? i think it was quite easy, what did u guys get for the enthalpy question? Multiple choice was surprisingly easy! Did any one get 2:5 as the ratio for the Mn042- : S2O32- ?
    I got 1:5
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    (Original post by AvWOW)
    Pretty good paper!
    How did you guys get the AgCl question complex ion?
    2 moles of free Cl- So it is complex X? forgot about the structure
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    (Original post by tgygt)
    I got 1:5

    same here
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    How do u replace OH group with CL
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    Got 1:5 for ratio, by the way it is Mn04^-, NOT 2-
    (Original post by coollike)
    How did everyone find it? i think it was quite easy, what did u guys get for the enthalpy question? Multiple choice was surprisingly easy! Did any one get 2:5 as the ratio for the Mn042- : S2O32- ?
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    (Original post by nimesh007)
    same here
    X2
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    (Original post by majidabdul)
    How do u replace OH group with CL
    PCl5
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    I think you mean Z? It has 2 Cl-

    (Original post by tgygt)
    2 moles of free Cl- So it is complex X? forgot about the structure
 
 
 
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