Reactions: oxidation and reduction

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9 Terms

1
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Primary alcohol

Primary alcohol oxidised > aldehyde oxidised > carboxylic acid

2
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Secondary alcohol

Secondary alcohol oxidised > ketone

3
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Tertiary alcohol

Can’t be oxidised

4
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To make an aldehyde

Primary alcohol + K2Cr2O7 + H2SO4, heat and distill off product to stop aldehyde from going to a carboxylic acid

5
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To make carboxylic acid

Primary alcohol + K2Cr2O7 + H2SO4 > Aldehyde + K2CrO7 + H2SO4, heat or reflux

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To make ketone

Secondary alcohol + K2Cr2O7 + H2SO4, heat or reflux

7
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To make primary alcohol

Aldehyde + NaBH4(aq), reduced

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To make carboxylic acid without aldehyde

Primary alcohol + K2Cr2O7 + H2SO4, reflux

9
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To make secondary alcohol

Ketone + NaBH4(aq)