Physical World
Why are aldehydes and ketones polar compounds?
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Single Choice
Which among the following carbonyl compound is most polar ?
A
B
C
D
Correct Answer
Solution
Among 2- butanone, acetone, acetaldehyde and formaldehyde,
Formaldehyde is most polar.
Alkyl groups are electron releasing through +I effect.
As the number of alkyl groups increases, the +I effect increases and the polarity of carbonyl group decreases as the charge on carbonyl carbon decreases.
Option D is correct.
SIMILAR QUESTIONS
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Carbonyl group of aldehyde and ketone contain ________ groups.
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