Question
Chemistry Question on Aldehydes, Ketones and Carboxylic Acids
Consider the given chemical reaction sequence : 
Total sum of oxygen atoms in Product A and Product B are .........
Answer
Picric acid is prepared by treating phenol first with concentrated sulphuric acid which converts it to phenol-2,4-disulphonic acid and then with concentrated nitric acid to get 2, 4, 6 trinitrophen