How to prepare ethanal from ethyne in shortest method? Urgent...

1 Answer
Feb 22, 2018

Catalitic hidrolysis

Explanation:

Addition of water in presence of mercury sulphate.https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Acetylene-hydration-2D.png/500px-Acetylene-hydration-2D.png
There will result an enol as the intermediary product, which will tautomerise into ethanal.

The catalyst ( not mentioned in the photo ) is HgSO4.