Which of the following does not form a stable | vedclass

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(C) The formation of a stable hydrate from a carbonyl compound depends on the stability of the resulting gem-diol. $1$. $Ninhydrin$ forms a very stabl

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Cyclohexanone

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(C) The formation of a stable hydrate from a carbonyl compound depends on the stability of the resulting gem-diol. $1$. $Ninhydrin$ forms a very stable hydrate due to the presence of electron-withdrawing carbonyl groups. $2$. $Cyclopropanone$ forms a stable hydrate due to the relief of ring strain upon $sp^2$ to $sp^3$ hybridization change. $3$. $Chloral$ $(CCl_3CHO)$ forms a stable hydrate $(CCl_3CH(OH)_2)$ due to the strong electron-withdrawing effect of the $CCl_3$ group. $4$. $Cyclohexanone$ does not form a stable hydrate because the equilibrium lies far to the left,favoring the ketone over the gem-diol.

Which of the following does not form a stable hydrate on addition of $H_2O$?

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