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Chemistry c2 unit 2 aqa monday gcse 20th new spec watch

  • View Poll Results: Six Mark Question
    Making Soluble Salts
    21.21%
    Making Insoluble Salts
    18.18%
    Electrolysis
    24.24%
    Electroplating
    15.15%
    Rates of Reaction
    18.18%
    Properties of ionic compounds
    21.21%
    Nanoparticles
    33.33%
    Mass Spectrometry
    12.12%
    Gas Chromatography
    15.15%
    Other
    24.24%

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    2 (a) (ii) How does a hydrogen ion change into a hydrogen atom?
    2 (c) (i) Which ion makes the waste alkaline?
    4 (c) (ii) What information does the molecular ion peak give about the molecule?
    5 (c) (ii) Sodium iodide contains sodium ions (Na+) and iodide ions (I

    ).
    Describe, as fully as you can, what happens when sodium atoms react with iodine atoms
    to produce sodium iodide.
    5 (c) (v) What is formed at the negative electrode when sodium iodide solution is electrolysed?



    Can you answer these question for me please from the 2013 exam.
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    (Original post by sammann123)
    I haven't
    2 (a) (ii) How does a hydrogen ion change into a hydrogen atom?
    2 (c) (i) Which ion makes the waste alkaline?
    4 (c) (ii) What information does the molecular ion peak give about the molecule?
    5 (c) (ii) Sodium iodide contains sodium ions (Na+) and iodide ions (I

    ).
    Describe, as fully as you can, what happens when sodium atoms react with iodine atoms
    to produce sodium iodide.
    5 (c) (v) What is formed at the negative electrode when sodium iodide solution is electrolysed?



    Can you answer these question for me please from the 2013 exam.
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    (Original post by kam123456)
    2 (a) (ii) How does a hydrogen ion change into a hydrogen atom?
    2 (c) (i) Which ion makes the waste alkaline?
    4 (c) (ii) What information does the molecular ion peak give about the molecule?
    5 (c) (ii) Sodium iodide contains sodium ions (Na+) and iodide ions (I

    ).
    Describe, as fully as you can, what happens when sodium atoms react with iodine atoms
    to produce sodium iodide.
    5 (c) (v) What is formed at the negative electrode when sodium iodide solution is electrolysed?

    Can you answer these question for me please from the 2013 exam.
    Really? God.
    It gains an electron.
    The hydroxide.
    Its Mr- relative molecular mass.
    Sodium loses an electron from its outer shell to become Na+ with a full outer shell. Iodine gains an electron on its outer shell to become I- with a full outer shell. The oppositely charged ions are held together by an electrostatic force between the two opposite charges.
    Hydrogen as it is less reactive than sodium.
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    (Original post by sammann123)
    Really? God.
    It loses an electron.
    The hydroxide.
    Its Mr- relative molecular mass.
    Sodium loses an electron from its outer shell to become Na+ with a full outer shell. Iodine gains an electron on its outer shell to become I- with a full outer shell. The oppositely charged ions are held together by an electrostatic force between the two opposite charges.
    Sodium as it is the positive ion.

    thanks i really appreatiate it!
    one more question- 1 (a) Explain why the solution goes cloudy
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    (Original post by SaraB_)
    I remember doing this as our mock and it's because the sulfur forms a precipitate.
    Its worth 2 marks so what would the other point be. Do u have the mark scheme for this ?
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    (Original post by kam123456)
    Its worth 2 marks so what would the other point be. Do u have the mark scheme for this ?
    here you go
    Attached Images
  1. File Type: pdf AQA-CH2HP-W-MS-Jan13.pdf (120.4 KB, 1567 views)
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    (Original post by SaraB_)
    No our teacher just went through it on the board. And 1 mark is for the sulfur forms 1 mark is for a precipitate/ solid

    oh thanks
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    I've got the mark scheme for the Jan2013 paper o.o
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    (Original post by sammann123)
    I'm not entirely sure about this method, i've done the past paper this question is from and they're looking for a basic description of a titration essentially.. Hence the wording of the question 'the amount' needed..
    Its the exact method from the book but i just deleted the irrelevant data that was specific to their experiment....
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    Anyone else find it laughably easy? :rofl2:
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    So how did everyone find it? I actually thought it was alright, and the 6 mark question was completely unexpected haha... hope it went well for everyone!!
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    (Original post by Elm Tree)
    Anyone else find it laughably easy? :rofl2:
    Yes, I thought it was much easier than past papers I've done.
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    (Original post by ZeniB)
    So how did everyone find it? I actually thought it was alright, and the 6 mark question was completely unexpected haha... hope it went well for everyone!!
    (Original post by ZeniB)
    Yes, I thought it was much easier than past papers I've done.
    The 6 mark question threw me off when I saw how long the answer lines were.
    What did you write on it?
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    I thought it was the hardest paper ever! Anyone got any answers they know for definite?


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    Definitely the hardest test ever!


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    (Original post by Simpliey)
    I've got the mark scheme for the Jan2013 paper o.o
    Please can you send it to me
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    (Original post by Elm Tree)
    The 6 mark question threw me off when I saw how long the answer lines were.
    What did you write on it?
    I wrote about how you would react the magnesium ribbon with different % concentrations of the acid, I cant remember what it was :L and then measure the rate of reaction by measuring the amount of Hydrogen gas produced in a minute. For the fair test I said I would use the same sized piece of magnesium each time and repeat the experiment to make it reliable and detect anomalies.
    Then I did a risk assessment. Basically I just wrote anything I could think of that might have some relevance to the question...
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    (Original post by TryandAchieve)
    Definitely the hardest test ever!


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    Agreed!


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    Did anyone put endothermic as the first question? 1b or 1ai < can't remember


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    (Original post by Elm Tree)
    Anyone else find it laughably easy? :rofl2:
    Yesssssssssss! i'm sooo happy which question did you find hardest though? for me it was the electrolysis -but from what i've heard my little bit of bs seems to have been right :')
 
 
 
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