Question

If ketones are not oxidized, then upon heating Fehling's solution remains :

• A. white
• B. blue
• C. unchanged
• D. both B and C

Answer 1

Answer: (D)

both B and C

Fehling's solution is blue colour solution which do not oxidizes ketones. Hence, when ketones are added to Fehling's solution it remains unchanged as Fehling's is blue in colour (Because $C{u}^{+2}$ ions) it remains as blue.