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hello,,,i want to know what is a disproportonation reaction.....pls elaborate with examples....An explanatory answer will be highly appreciated.Thnks in advance
Disproportonation reaction -When same element undergoes oxidation and as well as reduction then reacn. is disproportonation reaction.
Example-
HENCE IT IS AN DISPROP. REACN.
BOTH OXD. AND RED. ARE TAKING PLACE.
PLZ APPROVE!
Disproportionation, is a specific type of redox reaction in which a species is simultaneously reduced and oxidized to form two different products.
For example: the UV photolysis of mercury(I) chloride Hg2Cl2 → Hg + HgCl2 is a disproportionation. Mercury (I) is a diatomic dication Hg22+. In this reaction thechemical bond in the molecular ion is broken and one mercury atom is reduced to mercury (0) and the other is oxidized to mercury (II). A similar type of reaction, but in which no element changes oxidation number, is the acid-base disproportionationreaction observed when an amphiprotic species reacts with itself. Two common examples for conjugated bases of polyprotic acids such as bicarbonate anddihydrogenophosphate are respectively:
(the oxidation numbers remain constant in these acid-base reactions: O = 2-, H = 1+, C = 4+, P = 5+). This is also called autoionization.
The reverse of disproportionation, when a compound in an intermediate oxidation state is formed from compounds in lower and higher oxidation states, is calledcomproportionation.
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