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  1. C

    A2 ORGANIC

    how we can decide, which group is good leaving group?? and why Cl is good as compared to OH ???Criteria ???
  2. C

    A2 ORGANIC

    1st bond energy of C Cl i s 330 Kj while C O is 360, less energetic bond can easily broken, 2ndly bond between C and Cl is more polar (although Oxygen is more electronegative but Oxygen attract shared electron from both, C and H, while Cl only from C, So more polarize bond become weak)
  3. C

    AS level Chemitsry

    It is one of the simple topic, Examiner Only focus about ideal and real behavior of gases. Just 2 assumptions of kinetic theory are most important, anyhow, i have notes but bad luck my scanner is not working, about any serious issue, u can discuss, i ll try to explain.
  4. C

    O level MCQs GCE

    Thanks Allot for nice suggestion, and Nishii4 really GREAT Thanksssssssssssssssssss
  5. C

    O level MCQs GCE

    Walikumslam. Thanx for reply, Its chemistry GCE paper 1 on 15th Nov.
  6. C

    O level MCQs GCE

    Can anyone guide me to revise which topic the most for MCQs, I need good marks because....paper2 did not went good...
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