Question

what happened when phenol sulfonic acid react with HN03?

Answer 1

Solution :

With concentrated nitric acid, more nitro groups substitute around the ring to give 2,4,6-trinitrophenol (common name: picric acid).

Answer 2

Solution :
With concentrated nitric acid, more nitro groups substitute around the ring to give 2,4,6-trinitrophenol (common name: picric acid).