The Chemistry of Phenol (OCR A-Level Chemistry A): Flashcards

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The Chemistry of Phenol
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Structural requirement for a phenol

OH bonded directly to benzene ring

Cumene process yield

86% yield of phenol

Cumene process co-product

Propanone (\ceCH3COCH3\ce{CH3COCH3})

KaK_a of phenol at 298 K

1.26×10−111.26 \times 10^{-11} mol dm−3^{-3}

Acid strength: ethanol, phenol, ethanoic acid order

Ethanol < phenol < ethanoic acid (increasing)

Phenol + NaOH product

Sodium phenoxide + water

Phenol reaction with \ceNa2CO3\ce{Na2CO3}

No reaction (only reacts with strong bases)

Why phenol more reactive than benzene

O lone pairs increase ring electron density

Bromination of phenol observations

Orange decolorised, white precipitate

Bromination product of phenol

2,4,6-tribromophenol

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Amines, Amino Acids and Proteins

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Amines, Amino Acids and Proteins

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Chromatography and Spectroscopy

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