Question

In the formation of osazone derivatives of aldohexoses and ketohexoses, the carbon atom (s) that participate(s) in the reactions is.

• A. C-1
• B. C-2
• C. C-1 and C-2
• D. C-2 and C-3

Answer 1

The correct option is C C-1 and C-2

In this reaction,
One molecule of phenylhydrazine reacts with the aldehydic group of glucose to form glucose phenylhydrazone.
so C-1 and C-2 carbon of aldohexoses and ketohexoses reacts