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why? What is the major product and And please explain the reason for the stability of the free radical formed.

why?What is the major product and 
And please explain the reason for the stability of the free radical formed.

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Grade:12

2 Answers

Vikas TU
14149 Points
4 years ago
Dear student 
A facile conversion of nitrile to amide may be achieved by the reaction in the presence of DMSO, unaccompanied by side reactions such as the epoxyamide formation from α,β-unsaturated nitrile. Kinetics and product analysis suggest that a predominant reaction is not a non-radical oxidation of H2O2 with 1 but a radical decomposition of H2O2 which is induced by the homolysis of anion of 1 (1A). No singlet oxygen could be trapped chemically. The reaction of superoxide ion, O2\ewdot, with acetonitrile is shown to be analogous to that of HOO−; the decomposit
Good Luck 
Arun
25750 Points
4 years ago
 
Dear Chaitanya
 
A facile conversion of nitrile to amide may be achieved by the reaction in the presence of DMSO, unaccompanied by side reactions such as the epoxyamide formation from α,β-unsaturated nitrile. Kinetics and product analysis suggest that a predominant reaction is not a non-radical oxidation of H2O2 with 1 but a radical decomposition of H2O2 which is induced by the homolysis of anion of 1 (1A).
 
hence option B iw correct.
Hope it helps

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