Kolbe's Reaction
Easychemistry
Kolbe's reaction (phenol + CO₂) produces:
Select the correct option:
Solution
Incorrect! Answer:
Salicylic acid
Kolbe's Reaction (or Kolbe-Schmitt reaction) is an industrial method for preparing hydroxy aromatic acids.
- Process: Sodium phenoxide is heated with Carbon dioxide (CO2) under high pressure and then acidified.
- Electrophile: The weak electrophile CO2 specifically attacks the orth-position of the highly activated phenoxide ring.
- Product: Salicylic acid (2-Hydroxybenzoic acid).
- This is a key precursor in the synthesis of Aspirin.
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About This Question
- Subject
- chemistry
- Chapter
- organic compounds containing oxygen
- Topic
- kolbe's reaction
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Salicylic acid
Kolbe's Reaction (or Kolbe-Schmitt reaction) is an industrial method for preparing hydroxy aromatic acids.
- Process: Sodium phenoxide is heated with Carbon dioxide (CO2) under high pressure and then acidified.
- Electrophile: The weak electrophile CO2 specifically attacks the orth-position of the highly activated phenoxide ring.
- Product: Salicylic acid (2-Hydroxybenzoic acid).
- This is a key precursor in the synthesis of Aspirin.
This easy difficulty chemistry question is from the chapter organic compounds containing oxygen, covering the topic of kolbe's reaction. It appeared in the 2025 exam.
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