Two gas cylinders contain ethylene (ethene) and acetylene respectively. One test which can be used to distinguish between them is by?
A
passing each gas through bromine water
B
passing each gas through dilute potassium permanganate solution
C
passing each gas through silver nitrate solution
D
treating each gas catalytically with excess hydrogen gas
Verified Correct Answer: C.
Chemical Principles & Mechanism
Acetylene reacts with ammoniacal AgNO3 solution to form a white precipitate of silver acetylide (AgC-=Cag) but ethylene does not
Source: Myschool Past Questions Archive (Record #756)