Sat February 26, 2011 By: Theodosia Lourdes Thomas

what is the difference between combustion and oxidation? under what conditions does oxidation reaction change into combustion reaction? why do saturated compounds undergo substitution reaction whereas unsaturated compounds undergo addition reaction? explain with examples

Expert Reply
Mon February 28, 2011
Dear Student
Combustion is the complete oxidation of organic compound into carbon dioxide and water molecules in presence of oxygen gas while oxidation is the addition of oxygen in a compound or with an element the loss of electron from an atom or ion is also oxidation but it is not the combustion.
  • all oxidizing reactions are not combustion reaction.....but all combustion reactions are oxidizing..
  • oxidation reaction does not involve heat.....combustion reactions involve heat....
We hope that clarifies your query.
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