Question

When propyne is treated with aqueous $H_{2}S{O}_4$ , in the presence of $HgS{O}_4$ , the product formed is

• A. acetone
• B. ether
• C. aldehyde
• D. propanal

Answer 1

Answer: (A)

Ketones are formed on hydration of alkynes (other than acetylene) by following Markownikoff’s rule.