33. При взаимодействии ацетилена с водой в присутствии солей ртути (+2) образуется

Acetylene (ethyne) reacts with water in the presence of mercury(II) salts as a catalyst in a process called hydration. This reaction leads to the formation of an unstable enol intermediate, which then tautomerizes to an aldehyde. The specific product from acetylene hydration is acetaldehyde.

Answer: в) уксусный альдегид