Acetic acid

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Ethanoic acid (the systematic name for Acetic acid) is a 2 carbon molecule withcarboxylic acid group -COOH.  It has a Molecular weight of 60.05 and a pKa value of 4.75.

Acetic acid reacts with alcohols in a condenstation reaction to form water and an ester with the functional group 'R'-COOC-'R'

It can be formed from the oxidation of Ethanol under acidic conditions and reflux using a strong oxidising agents such as potassium dichromate.

Ethanoic acid is a weak acid and only partially disasscociates in water to form an ethanoate ion CH3COO- and a hydrogen ion[1][2][3].

References

  1. http://www.chemspider.com/Chemical-Structure.171.html
  2. http://clas.sa.ucsb.edu/staff/Resource%20folder/Chem109ABC/Acid,%20Base%20Strength/Table%20of%20Acids%20w%20Kas%20and%20pKas.pdf
  3. http://www.creative-chemistry.org.uk/alevel/module3/documents/N-ch3-15.pdf


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