medium · MCAT chem-phys
In organic chemistry, which of the following best explains why an aldehyde is typically more reactive toward nucleophilic addition than a ketone?
- The aldehyde oxygen is more electronegative than the ketone carbonyl oxygen.
- Ketones possess an alpha-hydrogen that is more acidic than the aldehyde hydrogen.
- Aldehydes are less sterically hindered and have a more electrophilic carbonyl carbon.
- The aldehyde carbon is sp3 hybridized, whereas the ketone carbon is sp2 hybridized instead.
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