1: With sulfuric acid in water T=90°C; 2 h; 2: With water; sodium nitrite T=0 - 20°C; 0.0833333 h; 3: With sulfuric acid in water T=90°C; 2.33333 h;

1: 94 percent / acetic acid / 0.5 h 2: 88 percent / AlCl3 / 1 h / 180 - 200 °C View Scheme

sodium hydroxide T=60°C; 2 h;