Which is the most suitable reagent among the following to distinguish compound (III) from rest of the compounds?
(a) Br2/CCl4 (b) Br2/CH3COOH
(c)Alk.KMnO4 (d) Ammonical AgNO3
(d) It may be noted that only the terminal alkynes react with ammonical silver nitrate. Therefore, this reaction can be used to distinguish between 1-alkynes and others such as alkane, alkenes and non-terminal alkynes.