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# Extent of Hydration

ORGO2-JRUYQR

When ketones and aldehydes are placed in an aqueous environment they form hydrates, or 1,1-diols. Although this equilibrium usually favors the ketone form, the hydrate must be considered as a potential part of any mechanistic scenario where water is part of the reaction mixture. The equation for hydration is depicted below.

Which of the compounds below will be hydrated to the greatest extent if dissolved in water?

A
B
C
D
E