Question

how a-hydroxy acids are produced from aldehydes and ketones?​

Answer 1

Answer:

Answer

Correct option is

A

CH

3

−CHO

(i)NaCN/HCl

(ii)H

2

O/H

⊕

/Δ

Treatment of acetaldehyde with sodium cyanide in presence of HCl gives acetaldhyde cyanohydrin.

This is followed by hydrolysis of cyano group in presence of acid to form hydroxy acid as a product which is 2-hydroxy propanoic acid.

Answer 2

$\huge\bold{\textbf{\textsf{{\color{cyan}{Answer}}}}}$

Various terminal olefinic compounds are directly converted into the corresponding α-hydroxy ketones in good yields by potassium permanganate oxidation. The reaction is highly chemoselective in the presence of differently protected hydroxy groups.