Acetic acid: Difference between revisions
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Ethanoic acid is a 2 carbon molecule with carboxylic acid group -COOH.<sup> </sup> It has a Molecular weight of 60.05 and a pK<sub>a</sub> value of 4.75. | Ethanoic acid (the systematic name for Acetic acid) is a 2 carbon molecule with[[ carboxylic acid group|carboxylic acid group]] -COOH.<sup> </sup> It has a Molecular weight of 60.05 and a [[pKa|pK<sub>a</sub>]] 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' | Acetic acid reacts with [[alcohol|alcohols]] in a [[condenstation reaction|condenstation reaction]] to form [[water|water]] and an [[ester|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. | It can be formed from the [[oxidation|oxidation]] of Ethanol under acidic conditions and reflux using a strong oxidising agents such as [[potassium dichromate|potassium dichromate]]. | ||
Ethanoic acid is a weak acid and only partially disasscociates in water to form an ethanoate ion CH<sub>3</sub>COO<sup>-</sup> and a hydrogen ion<ref>http://www.chemspider.com/Chemical-Structure.171.html</ref><ref>http://clas.sa.ucsb.edu/staff/Resource%20folder/Chem109ABC/Acid,%20Base%20Strength/Table%20of%20Acids%20w%20Kas%20and%20pKas.pdf</ref><ref>http://www.creative-chemistry.org.uk/alevel/module3/documents/N-ch3-15.pdf</ref>. | Ethanoic acid is a [[weak acid|weak acid]] and only partially disasscociates in water to form an ethanoate ion CH<sub>3</sub>COO<sup>-</sup> and a [[hydrogen|hydrogen]] [[ion|ion]]<ref>http://www.chemspider.com/Chemical-Structure.171.html</ref><ref>http://clas.sa.ucsb.edu/staff/Resource%20folder/Chem109ABC/Acid,%20Base%20Strength/Table%20of%20Acids%20w%20Kas%20and%20pKas.pdf</ref><ref>http://www.creative-chemistry.org.uk/alevel/module3/documents/N-ch3-15.pdf</ref>. | ||
=== References === | === References === | ||
Latest revision as of 20:14, 17 November 2015
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