uptetd16p2 q117
0. Which of the following gives with precipitate, with ammoniacal silver nitrate solution?
- Option : C
- Explanation : (C) When acetylene (C2 H2) react with Tollen's reagent (Ammoniacal AgNO3), a white precipitate, of silver salt is obtained.
H - C ≡ C - H + 2 Ag NO3 + 2 NH4 OH → Ag C ≡ C - Ag (sliver acetylide (white ppt.) + 2NH4NO3 + 2H2O
