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Author Topic: chem doubt  (Read 845 times)

Offline ruby92

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chem doubt
« on: May 09, 2010, 07:10:20 pm »
can someone please explain disproportionation.
how do we identify this
eg m/j 2008 paper 2 chemistry 5 d??? ??? ???
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Offline Saladin

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Re: chem doubt
« Reply #1 on: May 09, 2010, 07:11:42 pm »
CIE or Edexcel?
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nid404

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Re: chem doubt
« Reply #2 on: May 09, 2010, 07:13:17 pm »
 A disproportionation reaction is one in which a single substance is both oxidised and reduced.
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Offline Saladin

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Re: chem doubt
« Reply #3 on: May 09, 2010, 07:16:54 pm »
Quote from: nid404 on May 09, 2010, 07:13:17 pm
A disproportionation reaction is one in which a single substance is both oxidised and reduced.

Precisely.

This is an example:


In other words, it is when, one element exists in different oxidation states in the products of the reaction!
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