write short notes on Kobe's electrolytic method
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Answer:
Kolbe's electrolysis method uses sodium salt of fatty acid to form the corresponding alkane as a product.(image 1.)
In this reaction, the decarboxylation of the sodium salt of fatty acid takes place.
The reaction mechanism involves a two-stage radical process: electrochemical decarboxylation gives a radical intermediate, which combine to form a covalent bond.
As an example, electrolysis of acetic acid yields ethane and carbon dioxide:
CH3COOH → CH3COO− → CH3COO· → CH3· + CO.
Short Note...:
The Kolbe electrolysis or Kolbe reaction is an organic reaction named after Hermann Kolbe.[1] The Kolbe reaction is formally a decarboxylative dimerisation of two carboxylic acids (or carboxylate ions). The overall reaction is:
(image 2.)
If a mixture of two different carboxylates are used, all combinations of them are generally seen as the organic product structures:
If a mixture of two different carboxylates are used, all combinations of them are generally seen as the organic product structures:3 R1COO− + 3 R2COO− → R1−R1 + R1−R2 + R2−R2 + 6 CO2 + 6 e−
If a mixture of two different carboxylates are used, all combinations of them are generally seen as the organic product structures:3 R1COO− + 3 R2COO− → R1−R1 + R1−R2 + R2−R2 + 6 CO2 + 6 e−The reaction mechanism involves a two-stage radical process: electrochemical decarboxylation gives a radical intermediate, which combine to form a covalent bond.[2] As an example, electrolysis of acetic acid yields ethane and carbon dioxide:
If a mixture of two different carboxylates are used, all combinations of them are generally seen as the organic product structures:3 R1COO− + 3 R2COO− → R1−R1 + R1−R2 + R2−R2 + 6 CO2 + 6 e−The reaction mechanism involves a two-stage radical process: electrochemical decarboxylation gives a radical intermediate, which combine to form a covalent bond.[2] As an example, electrolysis of acetic acid yields ethane and carbon dioxide:CH3COOH → CH3COO− → CH3COO· → CH3· + CO2
If a mixture of two different carboxylates are used, all combinations of them are generally seen as the organic product structures:3 R1COO− + 3 R2COO− → R1−R1 + R1−R2 + R2−R2 + 6 CO2 + 6 e−The reaction mechanism involves a two-stage radical process: electrochemical decarboxylation gives a radical intermediate, which combine to form a covalent bond.[2] As an example, electrolysis of acetic acid yields ethane and carbon dioxide:CH3COOH → CH3COO− → CH3COO· → CH3· + CO22CH3· → CH3CH3
If a mixture of two different carboxylates are used, all combinations of them are generally seen as the organic product structures:3 R1COO− + 3 R2COO− → R1−R1 + R1−R2 + R2−R2 + 6 CO2 + 6 e−The reaction mechanism involves a two-stage radical process: electrochemical decarboxylation gives a radical intermediate, which combine to form a covalent bond.[2] As an example, electrolysis of acetic acid yields ethane and carbon dioxide:CH3COOH → CH3COO− → CH3COO· → CH3· + CO22CH3· → CH3CH3Another example is the synthesis of 2,7-dimethyl-2,7-dinitrooctane from 4-methyl-4-nitrovaleric acid.
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