Solution

Fehling's solution 'A' is aqueous copper sulphate. It is prepared by dissolving pentahydrated copper sulphate in distilled water and adding a few drops of dilute sulphuric acid. (Fehling's solution 'B' is an alkaline solution of sodium potassium tartrate – Rochelle's salt.)

Concept Composition of Fehling's solution A and B

Aldehydes, Ketones and Carboxylic Acids in past papers

91 questions from this chapter have appeared across 27 exam years.