Geminal diols (compounds with two -OH groups | vedclass

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(C) Geminal diols are generally unstable because of the repulsion between the lone pairs of oxygen atoms on the same carbon.However,if strong electron

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$Cl_3C-CH(OH)_2$

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(C) Geminal diols are generally unstable because of the repulsion between the lone pairs of oxygen atoms on the same carbon.However,if strong electron-withdrawing groups (like $-Cl$) are attached to the same carbon,they stabilize the geminal diol through the formation of intramolecular hydrogen bonds and by reducing the electron density on the carbon atom.In $Cl_3C-CH(OH)_2$ (chloral hydrate),the three chlorine atoms are strongly electron-withdrawing,which stabilizes the molecule significantly compared to other geminal diols.

Geminal diols (compounds with two $-OH$ groups on the same carbon atom) are generally unstable. However,which of the following is stable?

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