oxidation of primary alcholos

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Last updated 4:55 AM on 4/12/26
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7 Terms

1
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What is the oxidation pathways of primary alcohols?

Primary alcohol —> aldehyde —> carboxylic acid

2
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Which reagents oxidise primary alcohols?

Acidified potassium dichromate (K₂Cr₂O₇ / H⁺)

Acidified potassium manganate(VII) (KMnO₄ / H⁺)

3
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What are the colour changes

Dichromate: orange → green

Manganate(VII): purple → colourless

4
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How do you oxidise a primary alcohol to an aldehyde?

  • Heat gently

  • Distil immediately

  • Prevents further oxidation

5
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How do you oxidise a primary alcohol to a carboxylic acid?

Heat under reflux

Use excess oxidising agent

Allows full oxidation

6
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7
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