Vocabulary azo compound diazonium salt diazotization indicator pH strong acid titration weak base Methyl orange is an intensely colored compound used in dyeing and printing textiles.
Chemists use methyl orange as an indicator in the titration of weak bases with strong acids.
Click the image for a 3D Chime structure. The molecule absorbs blue-green light, which makes its solution appear red. Notice that the nitrogen bearing the positive charge is involved in a double bond. Methyl orange in basic solution. Click the image for a 3D Chime structure.