Question

When ethyne is passed through dilute $H_{2}S{O}_4$ containing $H_{g}S{O}_4,$ it forms:

• A. ethanol
• B. ethanoic acid
• C. ethanal
• D. ethene

Answer 1

Answer: (C)

Ethyne on hydrolysis, catalysed by $HgS{O}_4,$ gives acetaldehyde (ethanol).