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The compound which gives red colour with Fehling’s solution?
  • a)
    Cellulose
  • b)
    Benzaldehyde
  • c)
    Cane sugar
  • d)
    Glucose
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The compound which gives red colour with Fehling’s solution?a)Ce...
Fehling's solution to make difference between carbohydrate and ketone functional grp and also used for differentiate reducing and non reducing sugar and as u know glucose is a reducing sugar so it will give red colour with fehling's solution (all monosachharides are reducing sugar).
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The compound which gives red colour with Fehling’s solution?a)Ce...
Glucose contains a free aldehyde group which in weak alkaline medium gives and enediol  form. This enediol form is quite reducing hence reducing the Cu �+ complexes in felhings solution
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Community Answer
The compound which gives red colour with Fehling’s solution?a)Ce...
Fehling's solution and the mixture is heated. Aldehydes are oxidized, giving a positive result, but ketones do not react, unless they are alpha-hydroxy-ketones.  Fehling's can be used to detect for glucose in urine, diabetes. patient
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The compound which gives red colour with Fehling’s solution?a)Celluloseb)Benzaldehydec)Cane sugard)GlucoseCorrect answer is option 'D'. Can you explain this answer?
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