What ketones would be formed from the acid-catalyzed hydration of 3-heptyne?

The answer would be heptan-3-one and heptan-4-one.

The acid-catalyzed hydration of a balanced alkyne gives a ketone.

R-C≡C-R + H₂O → R-CH₂-CO-R

If the alkyne is uneven, you get a combination of two ketones, since the O can increase to either of the alkyne C atoms.

R-C≡C-R' + H₂O → R-CH₂-CO-R' + R-CO-CH₂-R'

So, for CH₃CH₂CH₂-C≡C-CH₂CH₃, the products are

CH₃CH₂CH₂-CH₂-CO-CH₂CH₃ and CH₃CH₂CH₂-CO-CH₂-CH₂CH₃

Their terms are heptan-3-one and heptan-4-one,

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.

c

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