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what do you mean by hunsdicker reaction?

what do you mean by hunsdicker reaction?

Grade:12th pass

10 Answers

Gman Namg
415 Points
8 years ago
this reactio is also called Borodine Reaction
 
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grenade
2061 Points
8 years ago
ok gman but i am asking about what it is
Gman Namg
415 Points
8 years ago
The silver(I) salts of carboxylic acids react with halogens to give unstable intermediates which readily decarboxylate thermally to yield alkyl halides. The reaction is believed to involve homolysis of the C-C bond and a radical chain mechanism.
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grenade
2061 Points
8 years ago
is there any type of reactivity order basis
because this reaction was there in our ut
ng29
1698 Points
8 years ago
it is recation for preparation  for alkyl bromide
in this we react silver salt of acid with Br2 in presence of CCl4 and we get alkyl bromide + AgBr + carbon dioxide
fluorine and chlorine does not give this reaction and in case of iodine ester is major product
it has radical mechanism
 
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ng29
1698 Points
8 years ago
SIze of alkyl group is inveresly proportional to the yield of product
Gman Namg
415 Points
8 years ago
look in case of  dependency over the carbon atoms it is
10RX>20RX>30RX
 
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Gman Namg
415 Points
8 years ago
and in this reaction the number of carbon is decreased be 1
Gman Namg
415 Points
8 years ago
and in the case of the reaction with the halides the stability is there of Br2 only in presence of CCl4
here CCl4 is the non polar solvent 
 
Gman Namg
415 Points
8 years ago
here Fluorine will not be used because of its more electronegativity
here chlorine is not used because of its more bond dissociation enthalpy
and finally iodine is not used beacuse it gives ester and iodine as the majors
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