NEET levelSingle correct optionDifficulty 1 of 3si046
Which of the following gives a violet colouration with neutral FeClX3?
ACX6HX5OH
BCX6HX5OCHX3
CCX6HX5COCHX3
DCX6HX5CHX2OH
Answer: A
Phenols with a free ring −OH form a coloured iron(III) phenoxide complex, giving violet colour with neutral FeClX3. Benzyl alcohol, anisole and acetophenone have no phenolic −OH. The answer is phenol.