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Solution A + Solution B Fehling’s reagent. What are A and B?

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aq. $A g N O_{3}$ , aq. $N H_{4} O H$

aq. Copper sulphate, aq. Sodium potassium tartrate

aq. $A g N O_{3}$ , alkaline sodium potassium tartrate

aq. Copper sulphate, alkaline Sodium potassium tartrate

answer is D.

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Detailed Solution

Fehling’s reagent is used to identify if a particular molecule is aldehyde or ketone because it easily oxidises aldehyde.

Solution A – This solution contains copper (II) sulphate which has a blue colour

Solution B – This solution contains Potassium sodium tartrate along with a strong alkali like sodium hydroxide.

Hence, Correct option is option (D) aq. Copper sulphate, alkaline Sodium potassium tartrate

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