Question

Presence of unsaturation in organic compounds can be tested with.

• A. Fehling’s reagent
• B. Tollen’s reagent
• C. Baeyer’s reagent
• D. Fittig’s reaction

Answer 1

Answer: (C)

Baeyer’s reagent

Answer 2

: Baeyer’s reagent (alk. $KMnO_{4}$)which is pink in colour is decolourised due to presence of unsaturation.