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  1. Pals_1010

    Chemistry paper 52 discussion

    GT is usually around 18 to 20 I think
  2. Pals_1010

    Chemistry paper 52 discussion

    yes I think
  3. Pals_1010

    GT for Chemistry paper 22 AS.

    Yes
  4. Pals_1010

    GT for Chemistry paper 22 AS.

    Let's not worry too much about that okay? There's still P4 ahead :)
  5. Pals_1010

    GT for Chemistry paper 22 AS.

    In this case, either elimination or dehydration is acceptable.... Mark schemes often allow one or two options
  6. Pals_1010

    Chemistry paper 52 discussion

    Yeah, I also wrote to confirm the proportionality relationship initially as beyond certain pressure, the gas stops behaving ideally
  7. Pals_1010

    GT for Chemistry paper 22 AS.

    Am not too sure... Because I made these in a hurry (last 5 mins).... Someone on this forum told me you are not supposed to put C and H atoms in a skeletal formula... You drew exactly the same thing?
  8. Pals_1010

    GT for Chemistry paper 22 AS.

    Yup I did it like hundred times : -129 confirmed
  9. Pals_1010

    GT for Chemistry paper 22 AS.

    Alkenes undergo electrophilic addition
  10. Pals_1010

    GT for Chemistry paper 22 AS.

    1) Elimination/Dehydration 2) Oxidation 3) Electrophilic Addition
  11. Pals_1010

    GT for Chemistry paper 22 AS.

    Apparently we'll get at least 1 mark out of the 2 :)
  12. Pals_1010

    Chemistry paper 52 discussion

    Significance of the gradient: I wrote that it is the reciprocal of the constant k, 1/k Why the graph V against P is inappropriate to confirm Boyle's Law: The graph is an exponential curve: we cannot be totally sure if the graph obtained is correct; we will have to calculate gradient at various...
  13. Pals_1010

    GT for Chemistry paper 22 AS.

    ''HO2CCH2CH(OH)CO2H + conc. H2SO4----->HO2CCH=CHCO2H'' I wrote the product as HO2CCHCHCO2H.... Is that acceptable?
  14. Pals_1010

    GT for Chemistry paper 22 AS.

    Yeah it was sodium
  15. Pals_1010

    GT for Chemistry paper 22 AS.

    Yup I got that too
  16. Pals_1010

    GT for Chemistry paper 22 AS.

    they will allow...
  17. Pals_1010

    GT for Chemistry paper 22 AS.

    Dang.... And I was hoping for full marks :(.... Nevermind thanks there :) and do you remember how many marks that question was for? 2 or 3 marks?
  18. Pals_1010

    GT for Chemistry paper 22 AS.

    I hadn't notice it was SKELETAL formula that was asked for the cis-trans isomer(silly mistake I know) but I saw it like when 5 mins was left, and I hastily drew these. Do you think I'll get my marks?
  19. Pals_1010

    AS Chemistry P2 Prep.

    What is the use of the heat exchanger in the Haber Process in the N02 marking scheme?
  20. Pals_1010

    AS Chemistry P2 Prep.

    Does anyone know the syllabus for AS ?
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