The carbonyl group is a significant component of aldehydes and ketones, which are vital classes of organic compounds. The structure of an aldehyde is represented as RCH(=O) while a ketone takes the form of R 2 C(=O), where R could be an alkyl, alkenyl, alkynyl or aryl group.
Your Total Savings ₹1500 Name any one test to distinguish aldehyde from ketone.
Tollens ‘ test is a qualitative laboratory test used to distinguish between an aldehyde and a ketone, also known as a silver-mirror test. It takes advantage of the fact that aldehydes are oxidized readily, while ketones are not.
What is Tollen’s reagent?
Tollens reagent is ammoniacal silver nitrate with the chemical formula [Ag(NH3)2]NO3.
What is the use of Schiff’s reagent?
Schiff’s reagent is used to distinguish aldehydes and ketones.
What is Fehling’s solution?
The solution of Fehling is prepared by combining two separate solutions, known as Fehling’s A and Fehling’s B. Fehling’s A is aqueous solution of deep blue copper(II) sulphate. Fehling’s B is a colourless solution of Potassium sodium tartrate (also known as Rochelle salt) made from strong alkali, commonly made from sodium hydroxide.
What is Rochelle’s salt?
Sodium potassium tartrate is called Rochelle’s salt.