Home Phenol Phenol Mind Map Phenol Mind Map Ruhul Amin Alig Organisenotes.tk Tags Case StudyClass 12 | Chemistry | Chapter 11 | Alcohols Phenols and EthersPhenol Facebook Twitter Whatsapp Newer Aniline when treated with conc. HNO3 gives (a) p-Phenylenediamine (b) m-Nitroaniline (c) p-Benzoquinone (d) Nitrobenzene OlderBenzoquinone is prepared by reaction of phenol with: Na2Cr2O7, H2SO4 YOUR ANSWER KMnO4, H2SO4 Na2CrO4, HCl K2MnO4, H2SO4