The Newman projection formula of the most sta | vedclass

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Question

(B) In $3$-hydroxypropanal $(HO-CH_2-CH_2-CHO)$,the gauche conformation allows the hydroxyl group $(-OH)$ to come close to the carbonyl oxygen $(C=O)$

Vedclass · Accepted Answer

Intramolecular hydrogen bonding

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(B) In $3$-hydroxypropanal $(HO-CH_2-CH_2-CHO)$,the gauche conformation allows the hydroxyl group $(-OH)$ to come close to the carbonyl oxygen $(C=O)$.This proximity facilitates the formation of an intramolecular hydrogen bond between the hydrogen of the hydroxyl group and the oxygen of the carbonyl group.This intramolecular hydrogen bonding stabilizes the gauche conformation,making it the most stable conformation despite the presence of some torsional strain.

The Newman projection formula of the most stable conformation of $3$-hydroxypropanal is gauche. It is stable due to

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