" Picric acid is "

Convert phenol into (i) Salicylaldehyde (ii) Benzene (iii) Picric acid (iv) Benzoic acid (v) Aspirin (vi) Salicylic acid

How many of the following contains carboxylic acid group? Picric acid, salicylic acid, adipic acid, saccharin.

How would you obtain (i). Picric acid (2, 4, 6-trinitrophenol) from phenol, (ii) 2-Methylpropene from 2-methylpropanol?

How would you obtain (i). Picric acid (2, 4, 6-trinitrophenol) from phenol, (ii) 2-Methylpropene from 2-methylpropanol?

What is picric acid ?