199 із 200
Крок 1 - Фармація 2018

A laboratory received ethanol and methanol. What reaction can be used to distinguish between these two substances?

Oxidation (CrO3, H2SO4)
Reaction with halogen anhydrides of inorganic acids
Iodoform test (I₂ + NaOH)
Formation of a chelate complex with copper hydroxide
Beilstein test