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Edexcel A2 Chemistry Exams -6CH04 (14th June) and 6CH05 (22nd June) Discussion Thread Watch

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    For the fuel cell diagram which was labeled what were the answers? For the salt bridge solution electrode etc!?
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    For the MC question on combustion of the hydrocarbon, was it C6H10?
    Also, what was it for the number of isomers of methyl,di-nitro benzene thing?
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    (Original post by Beboxed)
    For the MC question on combustion of the hydrocarbon, was it C6H10?
    Also, what was it for the number of isomers of methyl,di-nitro benzene thing?
    Yes and 6
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    (Original post by C0balt)
    I didn't put equilibrium arrow for the sunglasses so fml lol. And that cisplatin bs, then why there's geometrical isomers. The very last cation and anion thing idk either. That's about it that I got wrong/not sure. Might have lost a few marks for writing question for not making the point they want me to make but oh well. Fingers crossed for 100% UMS but not sure tbh
    They usually say Ignore arrows so most likely you'll get it.
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    (Original post by C0balt)
    Yes and 6
    Yesssss, and for the catalyst was it Fe3+ ?
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    (Original post by Hamzy45)
    Yesssss, and for the catalyst was it Fe3+ ?
    Yeah
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    (Original post by CLGC98)
    For the fuel cell diagram which was labeled what were the answers? For the salt bridge solution electrode etc!?
    Salt bride was solution of potassium nitrate & the electrode was platinum.
    I said solutions of the two metal nitrates for the electrolyte but I'm not 100% sure...


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    (Original post by C0balt)
    Yes and 6
    Okay, ty
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    (Original post by DesignPredator)
    They usually say Ignore arrows so most likely you'll get it.
    Hopefully, I didn't talk in terms of eq'm either though. I sad uv provides Ea for the reaction and so Ag black solid forms lol. Come to think of it if it weren't eq'm the glasses would stay as black wherever so that was too smart of me
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    (Original post by C0balt)
    Yeah
    what about the MC about the stability of benzene question with respect to structure X?
    Also for the E cell question I just wrote the two ions (aq) did I have to use the nitrates?
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    (Original post by Hamzy45)
    what about the MC about the stability of benzene question with respect to structure X?
    Also for the E cell question I just wrote the two ions (aq) did I have to use the nitrates?
    I can't remember what it was but I think I chose B for that

    No youre fine I think
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    Guys ,did the question mention whether the product of the pure sample was solid or liquid for the 4 marker?
    If no, will describing the seperating funnel method earn me any marks?
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    (Original post by RUNSran)
    Guys ,did the question mention whether the product of the pure sample was solid or liquid for the 4 marker?
    If no, will describing the seperating funnel method earn me any marks?
    I'm pretty certain is said it was an impure solid, not sure about the rest of your question sorry
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    (Original post by RUNSran)
    Guys ,did the question mention whether the product of the pure sample was solid or liquid for the 4 marker?
    If no, will describing the seperating funnel method earn me any marks?
    I think you were meant to obtain the pure dye, which are solids (dissolved in solvent).

    I put some stuff about recrystallisation.
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    (Original post by C0balt)
    I can't remember what it was but I think I chose B for that

    No youre fine I think
    Do you by any chance remember the question/answer for the breathalyser mcq?
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    (Original post by sayshay)
    Do you by any chance remember the question/answer for the breathalyser mcq?
    Fractional distillation I think
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    (Original post by Twin-v)
    I'm pretty certain is said it was an impure solid, not sure about the rest of your question sorry
    yeah i think you are right - lost all 4 marks then
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    (Original post by C0balt)
    Fractional distillation I think
    Fab, thank you
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    (Original post by Wunderbarr)
    I think you were meant to obtain the pure dye, which are solids (dissolved in solvent).

    I put some stuff about recrystallisation.
    yeah you are right - failure to read the question properly has cost me 4 marks
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    For the NMR did you talk about the area due to the H-C-N peak?
 
 
 
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