BRAINCAKEQualitative Tests for Phenols
Phenols have an −OH group bonded directly to a benzene ring. Two properties are used to identify them.
1. Phenol is a weak acid. It is more acidic than an alcohol but less acidic than a carboxylic acid.
• Phenol reacts with a strong base, sodium hydroxide, to form a salt and water:
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Key terms in this lesson
- electrophilic substitution
- A reaction mechanism in which an electrophile is attracted to and attacks a region of high electron density, such as the delocalised ring in benzene, displacing a hydrogen atom.
More in Chromatography and Qualitative Analysis
- Thin-Layer Chromatography
- Rf Values
- Gas Chromatography
- Retention Times and Peak Areas
- Qualitative Tests for Alkenes
- Qualitative Tests for Haloalkanes
- Qualitative Tests for Carbonyls
- Qualitative Tests for Carboxylic Acids
All 10 lessons in Chromatography and Qualitative Analysis · All OCR A-level Organic Chemistry topics