PPA - Oxidation

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Author:
Anonymous
ID:
125649
Filename:
PPA - Oxidation
Updated:
2012-01-02 12:05:16
Tags:
PPA Oxidation chemistry
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Description:
Higher Chemistry - PPA - Oxidation
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  1. What were the three oxidising agents used in this PPA?
    • Acidified potassium dichromate
    • Benedicts solution
    • Tollens reagent
  2. Why can mild oxidising agents be used to distinguish between aldehydes and keytones?
    Aldehydes react with the mild oxidising agents whereas keytones do not
  3. Why were the reaction mixtures not heated directly using a bunsen burner?
    As they are highly flammable
  4. With a successful reaction, what colour change is seen using acidified potassium dichromate?
    From orange to green
  5. With a successful reaction, what colour change is seen using benedicts solution?
    From blue to red
  6. With a successful reaction, what colour change is seen using tollens reagent?
    Silver mirror

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