Which is the most stable conformer of ethane- | vedclass

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(C) In general,the anti-staggered conformer is the most stable for most molecules due to minimal steric hindrance. However,for ethane-$1,2$-diol,the g

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(C) In general,the anti-staggered conformer is the most stable for most molecules due to minimal steric hindrance. However,for ethane-$1,2$-diol,the gauche conformer is more stable than the anti-staggered form. This is due to the formation of an intramolecular hydrogen bond between the two hydroxyl $(-OH)$ groups,which stabilizes the gauche conformation. The structure showing this intramolecular hydrogen bonding is given in the reference image.

Which is the most stable conformer of ethane-$1,2$-diol?

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