Question: What is the product of following reaction?
Hex-3-ynal
(i) $\stackrel{\mathrm{NaBH}_{4}}{\longrightarrow}$ ?
(ii) $\mathrm{PBr}_{3}$
(iii) $\mathrm{Mg}$ /ether
(iv) $\mathrm{CO}_{2} / \mathrm{H}_{3} \mathrm{O}^{+}$
Correct Option: , 4
Solution:
