18 Questions
Aldehydes and ketones have higher boiling points than non-polar compounds due to the presence of the ______ group.
polar carbonyl
Isopropyl alcohol boils at 82.5 ˚C while its oxidation product, ______, boils at 56 ˚C.
acetone
The lower aldehydes and ketones are significantly soluble in water, probably due to ______ between solute and solvent molecules.
H-bonding
Aromatic aldehydes and ketones are insoluble in water and are soluble in the ______ organic solvents.
usual
Both aldehydes and ketones are ______ compounds that don't change the color of litmus paper.
neutral
The chemical reactions of aldehydes and ketones are related to the ______ group.
carbonyl
Aldehydes change the color of ______ solution from blue to green, orange precipitate, and then red precipitate or copper mirror.
Fehling's
Benzaldehyde, salicylaldehyde, and ______ can undergo Cannizzaro reaction because they do not have an alpha hydrogen atom.
formaldehyde
The ______ test is a special test for aldehydes and ketones containing a terminal methyl group.
iodoform
Aromatic ______ do not give a sharp result with Fehling's reagent.
aldehydes
In the presence of concentrated ______, aldehydes containing no α- hydrogens undergo self-oxidation – reduction to yield a mixture of the corresponding alcohol & a salt of the corresponding carboxylic acid.
alkali
The ______ reaction is a redox reaction in which one molecule of the aldehyde serves as the oxidizing agent while the other serves as the reducing agent.
Cannizzaro
Aldehydes are easily oxidized to the corresponding ______ and have reducing properties.
acids
The 2,4-Dinitrophenylhydrazine reagent test is a general test to identify ______ and ketones.
aldehydes
Tollen's reagent is used for differentiation between ______ and ketones.
aldehydes
Aldehydes are usually more reactive than ketones towards ______ addition.
nucleophilic
An imine is a functional group or chemical compound containing a ______ double bond.
carbon-nitrogen
Fehling's ______ is used to differentiate between aldehydes and ketones.
reagent
Learn about the reactions of aldehydes and ketones with Fehling's solution, including the formation of precipitates and color changes. Discover how aromatic aldehydes and terminal methyl group compounds react differently. Test your understanding of these organic chemistry concepts!
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