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O Level Chemistry & IP Chemistry Notes by 10 Year Series Author – Chemistry Specialist

O Level Chemistry & IP Chemistry Notes by 10 Year Series Author - Chemistry Specialist

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O Levels Chemistry Questions – Organic Chemistry Homologous Series

An interesting question from a Preliminary Examination paper of local top secondary school.

Try it out! Leave your suggested answers in the “Comments” section right below this blogpost.

Question:
oc-q4.jpg (Click on image to see better)

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Comments

  1. Rerragio Fernando says

    January 15, 2024 at 12:00 pm

    Helped me a lot

  2. emad says

    June 17, 2010 at 7:12 pm

    Dear Sir
    Can we obtain ammonium chloride bt reaction of amide with conc. HCl.
    Thanks

  3. sean says

    July 9, 2008 at 1:05 am

    Well Done! Keep up the good work!

    Sean
    Founder & Master Trainer
    SimpleChemConcepts.com

  4. sean says

    July 9, 2008 at 1:04 am

    Well Done. Answers are almost all correct. =)

    For Dii), Answer is NO.
    But the products that will be formed is not Cl2 gas, just to clarify.
    Experimentall, it has been proven to release Hydrogen Chloride (HCl) gas & Phosgene (CCl2O) gas. But no worry, it is not covered in GCE O Level. You just need to know that products of combustion will formed some new compounds that contain Cl inside.

    Sean
    Founder & Master Trainer
    SimpleChemConcepts.com

  5. Gary says

    July 7, 2008 at 11:09 pm

    E) No because Cl is present in acid chlorides but not in alkane.Combustion of Cl products is expected(because we don’t really know what will be liberated) when we combust acid chlorides

  6. Jen says

    July 6, 2008 at 5:41 pm

    Hiya

    a)pentanoyl chloride
    b)propanoyl chloride
    c)CnH(2n+1)COCl
    di)the products are: carbon dioxide, steam
    dii) I am not too sure for this one. But i would say no.
    Because of the presence of chloride, chlorine gas is liberated.

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