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Which of the following cannot reduce Fehling solution?
- a)Formic acid
- b)Acetic acid
- c)Formaldehyde
- d)Acetaldehyde
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following cannot reduce Fehling solution?a)Formic acidb)A...
Explanation:
- Acetic acid (option B) is the answer as it cannot reduce Fehling solution.
- Fehling solution is a chemical reagent used to differentiate between aldehydes and ketones.
- It is made up of two separate solutions: Fehling A (aqueous copper(II) sulfate) and Fehling B (potassium sodium tartrate in sodium hydroxide solution).
- Aldehydes are capable of reducing the copper(II) ions in Fehling solution, resulting in a red precipitate of copper(I) oxide.
- Ketones, however, do not have the reducing properties to do so.
- Formic acid (option A), formaldehyde (option C), and acetaldehyde (option D) are all capable of reducing Fehling solution because they are aldehydes.
- Formic acid is the simplest aldehyde, formaldehyde is a common aldehyde, and acetaldehyde is a two-carbon aldehyde.
- Acetic acid (option B), on the other hand, is a carboxylic acid and does not have the necessary reducing properties to reduce Fehling solution.
- Acetic acid (option B) is the answer as it cannot reduce Fehling solution.
- Fehling solution is a chemical reagent used to differentiate between aldehydes and ketones.
- It is made up of two separate solutions: Fehling A (aqueous copper(II) sulfate) and Fehling B (potassium sodium tartrate in sodium hydroxide solution).
- Aldehydes are capable of reducing the copper(II) ions in Fehling solution, resulting in a red precipitate of copper(I) oxide.
- Ketones, however, do not have the reducing properties to do so.
- Formic acid (option A), formaldehyde (option C), and acetaldehyde (option D) are all capable of reducing Fehling solution because they are aldehydes.
- Formic acid is the simplest aldehyde, formaldehyde is a common aldehyde, and acetaldehyde is a two-carbon aldehyde.
- Acetic acid (option B), on the other hand, is a carboxylic acid and does not have the necessary reducing properties to reduce Fehling solution.
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Which of the following cannot reduce Fehling solution?a)Formic acidb)Acetic acidc)Formaldehyded)AcetaldehydeCorrect answer is option 'B'. Can you explain this answer?
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