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In which of the following reactions, both oxidised and reduced forms of the same compound are obtained?
- a)Aldol condensation
- b)Cannizzaro's reaction
- c)Riemer-Tiemann reaction
- d)Kolbe's synthesis
Correct answer is option 'B'. Can you explain this answer?
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In which of the following reactions, both oxidised and reduced forms o...
Understanding the Cannizzaro Reaction
The Cannizzaro reaction is a noteworthy redox reaction involving aldehydes without alpha-hydrogens, where both oxidation and reduction occur simultaneously.
Key Features of the Cannizzaro Reaction:
- Reactants: Aldehydes lacking alpha-hydrogens (e.g., formaldehyde).
- Reaction Process:
- One molecule of the aldehyde is oxidized to a carboxylic acid.
- Another molecule is reduced to an alcohol.
- Overall Products:
- The reaction yields both a carboxylic acid and an alcohol derived from the same aldehyde.
Comparison with Other Reactions:
- Aldol Condensation:
- Involves the formation of a β-hydroxy aldehyde or ketone but does not yield both oxidized and reduced forms of the same compound simultaneously.
- Riemer-Tiemann Reaction:
- Primarily involves the formylation of phenols and does not generate both forms from a single compound.
- Kolbe's Synthesis:
- This electrochemical reaction typically results in the formation of carboxylic acids from sodium salts of carboxylic acids and does not produce both oxidized and reduced species from the same starting material.
Conclusion:
In conclusion, the Cannizzaro reaction uniquely produces both the oxidized form (carboxylic acid) and the reduced form (alcohol) of the same aldehyde, making option 'B' the correct answer.
The Cannizzaro reaction is a noteworthy redox reaction involving aldehydes without alpha-hydrogens, where both oxidation and reduction occur simultaneously.
Key Features of the Cannizzaro Reaction:
- Reactants: Aldehydes lacking alpha-hydrogens (e.g., formaldehyde).
- Reaction Process:
- One molecule of the aldehyde is oxidized to a carboxylic acid.
- Another molecule is reduced to an alcohol.
- Overall Products:
- The reaction yields both a carboxylic acid and an alcohol derived from the same aldehyde.
Comparison with Other Reactions:
- Aldol Condensation:
- Involves the formation of a β-hydroxy aldehyde or ketone but does not yield both oxidized and reduced forms of the same compound simultaneously.
- Riemer-Tiemann Reaction:
- Primarily involves the formylation of phenols and does not generate both forms from a single compound.
- Kolbe's Synthesis:
- This electrochemical reaction typically results in the formation of carboxylic acids from sodium salts of carboxylic acids and does not produce both oxidized and reduced species from the same starting material.
Conclusion:
In conclusion, the Cannizzaro reaction uniquely produces both the oxidized form (carboxylic acid) and the reduced form (alcohol) of the same aldehyde, making option 'B' the correct answer.
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In which of the following reactions, both oxidised and reduced forms of the same compound are obtained?a)Aldol condensationb)Cannizzaros reactionc)Riemer-Tiemann reactiond)Kolbes synthesisCorrect answer is option 'B'. Can you explain this answer?
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In which of the following reactions, both oxidised and reduced forms of the same compound are obtained?a)Aldol condensationb)Cannizzaros reactionc)Riemer-Tiemann reactiond)Kolbes synthesisCorrect answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about In which of the following reactions, both oxidised and reduced forms of the same compound are obtained?a)Aldol condensationb)Cannizzaros reactionc)Riemer-Tiemann reactiond)Kolbes synthesisCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In which of the following reactions, both oxidised and reduced forms of the same compound are obtained?a)Aldol condensationb)Cannizzaros reactionc)Riemer-Tiemann reactiond)Kolbes synthesisCorrect answer is option 'B'. Can you explain this answer?.
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