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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?
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Most Upvoted Answer
Which of the following cannot reduce Fehling solution?a)Formic acidb)A...
Explanation:
Acetic Acid (Option B):
- Acetic acid cannot reduce Fehling solution because it is a weak organic acid and does not possess a reducing property.
- Fehling solution is a chemical reagent used to differentiate between aldehydes and ketones based on their ability to reduce the blue Cu2+ ions in the solution to form a red-brown precipitate of Cu2O.
Formic Acid (Option A):
- Formic acid can reduce Fehling solution as it is a strong reducing agent.
- It can donate a hydrogen atom and undergo oxidation to carbon dioxide, reducing the Cu2+ ions to Cu+ ions.
Formaldehyde (Option C):
- Formaldehyde can reduce Fehling solution as it is a strong reducing agent.
- It can donate a hydrogen atom and undergo oxidation to formic acid, which in turn reduces the Cu2+ ions to Cu+ ions.
Acetaldehyde (Option D):
- Acetaldehyde can also reduce Fehling solution as it is a strong reducing agent.
- It can donate a hydrogen atom and undergo oxidation to acetic acid, which in turn reduces the Cu2+ ions to Cu+ ions.
In conclusion, acetic acid (Option B) cannot reduce Fehling solution due to its weak reducing properties, unlike formic acid, formaldehyde, and acetaldehyde which are strong reducing agents and can effectively reduce the Cu2+ ions in Fehling solution.
Acetic Acid (Option B):
- Acetic acid cannot reduce Fehling solution because it is a weak organic acid and does not possess a reducing property.
- Fehling solution is a chemical reagent used to differentiate between aldehydes and ketones based on their ability to reduce the blue Cu2+ ions in the solution to form a red-brown precipitate of Cu2O.
Formic Acid (Option A):
- Formic acid can reduce Fehling solution as it is a strong reducing agent.
- It can donate a hydrogen atom and undergo oxidation to carbon dioxide, reducing the Cu2+ ions to Cu+ ions.
Formaldehyde (Option C):
- Formaldehyde can reduce Fehling solution as it is a strong reducing agent.
- It can donate a hydrogen atom and undergo oxidation to formic acid, which in turn reduces the Cu2+ ions to Cu+ ions.
Acetaldehyde (Option D):
- Acetaldehyde can also reduce Fehling solution as it is a strong reducing agent.
- It can donate a hydrogen atom and undergo oxidation to acetic acid, which in turn reduces the Cu2+ ions to Cu+ ions.
In conclusion, acetic acid (Option B) cannot reduce Fehling solution due to its weak reducing properties, unlike formic acid, formaldehyde, and acetaldehyde which are strong reducing agents and can effectively reduce the Cu2+ ions in 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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