18: Carbonyl Compounds

18.3Tests for Aldehydes and Ketones

18.3    Tests for Aldehydes and Ketones Test for carbonyl group using 2,4-dinitrophenylhydrazine(2,4-DNPH) 2,4-dinitrophenylhydrazine or 2,4-DNPH can be used to detect the presence of carbonyl group, C=O. The structure of 2,4-DNPH is shown below: This test is usually...

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18.2Reactions of Aldehydes and Ketones

18.2    Reactions of Aldehydes and Ketones Reactivity of carbonyl compounds The C=O bond of the carbonyl group is highly polarised due to oxygen atom being more electronegative   This causes the slightly positive carbon atom to be susceptible to nucleophilic...

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18.1Introduction to Aldehydes and Ketones

18.1    Introduction to Aldehydes and Ketones What are carbonyl compounds? 1) Carbonyl compounds are compounds that contain the C=O(carbonyl) group. Examples are aldehydes and ketones.     Physical properties of carbonyl compounds The boiling point of...

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CHAPTER 18: Carbonyl Compounds

CHAPTER 18: Carbonyl Compounds Introduction to Aldehydes and Ketones Reactions Aldehydes and Ketones Tests for Aldehydes and Ketones Learning outcomes: describe: the formation of aldehydes and ketones from primary and secondary alcohols respectively using Cr2O7²⁻/H⁺....

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