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Aldehydes are more reactive than ketones …

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Aldehydes are more reactive than ketones towards Nucleophiles. give reason.

Posted by Šąhîł Phogat 5 years, 11 months ago

CBSE > Class 12 > Chemistry

3 answers

Řøhăň Řąjpůť ✌️✊ 6 years, 3 months ago

Aldehydes -CHO show resonance in which the C=O Double bond is converted into a single bond. This leads to formation of charged ions . But Nucleophiles or e- rich species attack the positive charged ion and thus get attached to it, leading to a nucleophilic addition. It occurs more easily in Aldehydes than Ketones because Aldehydes show resonance while Ketones don't. hope it help bro

Šąhîł Phogat 6 years, 3 months ago

very appropriate answer. thank you Darshan

Ďãřşháñăã Yadav ? ? ? 6 years, 3 months ago

Aldehydes are more reactive than ketones towards Nucleophiles due to steric and electronic reason. sterically the presence of 2 relatively large substitute in ketones hinders the Approach of Nucleophile to carbonyl carbon than aldehyde having only 1 such subunits. electronically aldehyde are more reactive than ketones becoz the presence of 2 alkyl grp in ketones exert +I effect which increases electron density on carbonyl carbon thereby reducing the elecyrophillicity on carbonyl carbon than in aldehydes where only one alkyl grp is present.

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