This article is a continuation of the revision notes on CBSE Class 12 Chemistry, Chapter - Aldehydes, Ketones and Carboxylic Acids. Most of the important concepts are covered in the Part I. In this ...
The aldehydes in reducing sugars will reduce silver ion from Tollen's reagent to metallic silver, leaving a reflective mirror on the inside of a flask.
Answer: (i) The carbonyl group of aldehydes and ketones is reduced to the CH 2 group on treatment with zinc amalgam and concentrated hydrochloric acid. (ii) Aldehydes which do not have an α-hydrogen ...