1: 73 percent / aq. NaOH / 6 h / Heating; pH = 2 - 2.5 2: 1.) hydrogen chloride / 1.) toluene, 100 deg C, 28 h, 2.) water, reflux, 10 h View Scheme

hydrogenchloride 1.) toluene, 100 deg C, 28 h, 2.) water, reflux, 10 h; Yield given. Multistep reaction;