Hydrogen can be displaced from a hot alkaline solution by?
A
Fe
B
Cu
C
Ca
D
Sn
Verified Correct Answer: D.
Chemical Principles & Mechanism
Amphoteric oxide reacts with both acid and alkaline and only amphoteric oxide can displace hydrogen from alkaline solution (Al, Pb, Sn and Zn).
Source: WAEC / JAMB / NECO Classroom Archive (Record #2516)