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Recent content by BazD

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    how was chem p41 ??!?! expected thresholds ?!?!

    Guys, to be really honest my paper "apparently" went amazing, why is it that you guys are saying it was bad :( ? I'm scared.. That maybe I'm hallucinating. :O
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    Chemo P5 tips

    Let's assume you take your x value as 20cm3, now I believe you would know that to neutralize 20 cm3 of 3moldm-3 NaOH you will need 20cm3 of 3moldm-3 h2so4. Now calculate no of moles in 20 cm3 of 3moldm-3 H2SO4 , put this value of moles in this eqn 2=(no.of moles) / (volume needed) The above...
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    AS Chemistry P2 Prep.

    Haha, I'm kinda new =P and don't really want people to not know basic stuff , right before the exam ... Oh well I have p5 tomorrow as well T_T
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    AS Chemistry P2 Prep.

    Dude, suppose you want an aldehyde, from the oxidation of a primary alcohol, the condition will be to use potassium dichromate solution and "distill" the rxn mixture. Not reflux, hence reflux is NOT similar to distillation, and it might not be the "exact" opposite but for a fact it prevents...
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    AS Chemistry P2 Prep.

    I'm happy that you noticed that the meaning of reflux as strong heating was wrong, but it's sad to know that even you haven't got it right... Your exam is true to the fact that when you distill , aldehydes form rather then then carboxylic acids. But reflux aids the formation of carboxylic acids...
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