Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryAldehydes, Ketones and Carboxylic Acids3 Marks
Question
Explain polarity of carbonyl group.
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Answer
The polarity of a carbonyl group is duc to higher electronegativity of oxygen compared to carbon. It is explained on the basis of resonance involving neutral and dipolar structures.
The carbonyl carbon has positive polarity (see structures (A) and (D)). Therefore, it is electron deficient. As a result, this carbon atom is electrophilic (electron loving) and is susceptible to attack by a nucleophile ( $Nu :^{-}$.
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