Answer:
Aldehyde group
Step-by-step explanation:
Benedict's Test:
- Benedict's test detects the presence of simple carbohydrates such as monosaccharides and disaccharides in a sample.
- A Benedict's test is positive for reducing sugars that contain a free aldehyde or ketone group.
- When reducing sugars are heated in the presence of an alkali, they form enediols that are powerful reducing agents.
- A positive Benedict's test is indicated by an orange/brick-red colour.