Question

Give a simple chemical test to distinguish between butan–1–ol and butan–2–ol.

Answer 1

Butan–1–ol	Butan–2–ol
As a primary alcohol, it reacts very slowly with Lucas reagent, showing little or no turbidity even after several minutes.	As a secondary alcohol, it reacts more rapidly with Lucas reagent, and turbidity or an oily layer appears within a few minutes.