JAMB - Chemistry (2022 - No. 17)
An organic functional group which can likely decolorize ammoniacal silver nitrate is?
alkene
alkane
alkyne
alkanol
Explication
Terminal alkynes react with Tollens reagent (ammoniacal silver nitrate solution) to form silver alkynides as a white precipitate, whereas internal alkynes do not react with Tollens reagent.