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Recognise and name aldehydes and ketones.
Week 3 Recognise and name aldehydes and ketones. © Pearson Education Ltd 2009 This document may have been altered from the original
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The carbonyl functional group
Week 3 The carbonyl functional group © Pearson Education Ltd 2009 This document may have been altered from the original
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Formation of the C=O group π-bond
Week 3 Formation of the C=O group π-bond © Pearson Education Ltd 2009 This document may have been altered from the original 3
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Week 3 2-methylpentanal 4 © Pearson Education Ltd 2009
This document may have been altered from the original 4
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The structure of 2-methylpentan-3-one
Week 3 The structure of 2-methylpentan-3-one © Pearson Education Ltd 2009 This document may have been altered from the original 5
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Structures of benzaldehyde and phenylethanone
Week 3 Structures of benzaldehyde and phenylethanone © Pearson Education Ltd 2009 This document may have been altered from the original 6
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Structure of cinnamaldehyde
Week 3 Structure of cinnamaldehyde © Pearson Education Ltd 2009 This document may have been altered from the original 7
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Describe the oxidation of secondary alcohols to form ketones.
Week 3 Describe the oxidation of primary alcohols to form aldehydes and carboxylic acids. Describe the oxidation of secondary alcohols to form ketones. Describe the oxidation of aldehydes to form carboxylic acids. © Pearson Education Ltd 2009 This document may have been altered from the original
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Ethanol oxidised to ethanal, and finally to ethanoic acid
Week 3 Ethanol oxidised to ethanal, and finally to ethanoic acid © Pearson Education Ltd 2009 This document may have been altered from the original
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Propan-2-ol can be oxidised to propanone
Week 3 Propan-2-ol can be oxidised to propanone © Pearson Education Ltd 2009 This document may have been altered from the original 10
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Oxidation of an aldehyde to a carboxylic acid
Week 3 Oxidation of an aldehyde to a carboxylic acid © Pearson Education Ltd 2009 This document may have been altered from the original 11
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Describe the reduction of carbonyl compounds to form alcohols.
Week 3 Describe the reduction of carbonyl compounds to form alcohols. Outline the mechanism for nucleophilic addition reactions of aldehydes and ketones with hydrides. © Pearson Education Ltd 2009 This document may have been altered from the original
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Reduction of an aldehyde produces a primary alcohol
Week 3 Reduction of an aldehyde produces a primary alcohol © Pearson Education Ltd 2009 This document may have been altered from the original
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The primary alcohol propan-1-ol and the aldehyde propanal
Week 3 The primary alcohol propan-1-ol and the aldehyde propanal © Pearson Education Ltd 2009 This document may have been altered from the original 14
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Reduction of a ketone produces a secondary alcohol
Week 3 Reduction of a ketone produces a secondary alcohol © Pearson Education Ltd 2009 This document may have been altered from the original 15
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Week 3 Citronella structure 16 © Pearson Education Ltd 2009
This document may have been altered from the original 16
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NaBH4 readily generates hydride ions
Week 3 NaBH4 readily generates hydride ions © Pearson Education Ltd 2009 This document may have been altered from the original 17
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Reduction of an aldehyde by nucleophilic addition
Week 3 Reduction of an aldehyde by nucleophilic addition © Pearson Education Ltd 2009 This document may have been altered from the original 18
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Week 3 Perfume structure 19 © Pearson Education Ltd 2009
This document may have been altered from the original 19
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Week 3 Describe the use of 2,4-dinitrophenylhydrazine to detect a carbonyl group and to identify a carbonyl compound. Describe the use of Tollens’ reagent to detect the presence of an aldehyde group. © Pearson Education Ltd 2009 This document may have been altered from the original
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Reaction of propanal with 2,4-dinitrophenylhydrazine
Week 3 Reaction of propanal with 2,4-dinitrophenylhydrazine © Pearson Education Ltd 2009 This document may have been altered from the original
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Oxidation of an aldehyde using Tollens’ reagent
Week 3 Oxidation of an aldehyde using Tollens’ reagent © Pearson Education Ltd 2009 This document may have been altered from the original 22
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