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  1. good man12

    GT for Chemistry paper 22 AS.

    Al2Cl6 exists in vapour phase only...and at standard conditions.... AlCl3 prevails.....so i think it was AlCl3 (s).....
  2. good man12

    GT for Chemistry paper 22 AS.

    3 marks = optical.......3=skeletal ...3= emperical.....3= reactions.....1= esters use.....6= chart or reaction....total =16
  3. good man12

    Chemistry Paper 22: Discussion and Grade Threshold

    reaction was hydrolysis..not disproportionation.......while yes..it was AlCl3 because there was no water so it cant be aqueous..it was solid state( melts at 180C)
  4. good man12

    GT for Chemistry paper 22 AS.

    u will get 1 mark, u had to make skeletal formula in which u dont write C and H.....
  5. good man12

    GT for Chemistry paper 22 AS.

    . let me tell my answers...... 1)a) Phosphorus b) Sodium c)2Al(s)+3Cl2(g)=2AlCl3(s) obs : pale green colour of chlorine fades....white solid formed d) Argon is inert gas and has complete octet. 2)a) Nacl = dissolves = ph7 AlCl3=reacts = pH (1-3) Silicon= reacts = pH (1-3) b) reaction =...
  6. good man12

    Chemistry Paper 22: Discussion and Grade Threshold

    As far as im concerned i just wanted to show you that the thresh holds do indeed cross 48...which you were not beleiving as you said that cuz 48/60 =80% it doesnt go gigher up..............well that biology example proves that it reaches 50.....nd im nt discussing biology.....im just showing...
  7. good man12

    Chemistry Paper 22: Discussion and Grade Threshold

    For your information if you dont have knowledge about something its better you abstain from insulting. I only said grade thresh hold will be around 50 because 1) the paper was easy 2) at our centre even those who were mediocre and failed mocks said they expected 45+.......... for your...
  8. good man12

    Chemistry Paper 22: Discussion and Grade Threshold

    it sounds odd tome also...B at 47....but too many people are having like extra good papers....we cant expect GT to be low all the time.........i havent heard any one say to me...."the paper was hard" but i certainly did when it was math p1, math m1 nd chem p3.........
  9. good man12

    Chemistry Paper 22: Discussion and Grade Threshold

    if B is at 47 i suppose then A* will be 56+ or if they ease it a bit then 55+...........
  10. good man12

    Chemistry Paper 22: Discussion and Grade Threshold

    i think 49-52............
  11. good man12

    Chemistry Paper 22 HOW DID IT GOOO ???

    well said..........i think GT will be 49-52 if not higher.........
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