Question

Addition of water to alkynes occurs in acidic medium and in
the presence of Hg²⁺ ions as a catalyst. Which of the
following products will be formed on addition of water to
but - 1-yne under these conditions?

O
||
(a) CH₃ —CH₂ —CH₂ —C—H

O
||
(b) CH₃ —CH₂ —C—CH₃

O
||
(c) CH₃ —CH₂ —C—OH + CO₂

O O
|| ||
(d) CH₃ —C—OH + H—C—H

Answer 1

Explanation:

Addition of water to alkynes occurs in acidic medium and in

the presence of Hg²⁺ ions as a catalyst. Which of the

following products will be formed on addition of water to

but - 1-yne under these conditions?

O

||

(a) CH₃ —CH₂ —CH₂ —C—H

O

||

(b) CH₃ —CH₂ —C—CH₃

O

||

(c) CH₃ —CH₂ —C—OH + CO₂

O O

|| ||

(d) CH₃ —C—OH + H—C—H✔️✔️

Answer 2

$\huge\underline \mathfrak \blue{Answer}$

Explanation:

(d) CH₃ —C—OH + H—C—H