Question

What is the name of the compound ${\mathrm{C}}_2{\mathrm{H}}_3\mathrm{OH}$?

Answer 1

Vinyl alcohol:

• Vinyl alcohol is called ethenol which is the simples enol.
• The IUPAC name of ${\mathrm{C}}_2{\mathrm{H}}_3\mathrm{OH}$ is Ethenol.
• The structure of Ethenol can be given as:

Tautomerization of vinyl alcohol to acetaldehyde:

• Under normal conditions, vinyl alcohol tautomerizes to acetaldehyde.