Question on: JAMB Chemistry - 2015
Hydrogen can be displaced from a lot alkaline solution by
A
Fe
B
Cu
C
Cn
D
Sn
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Correct Option: A
The question asks which metal can displace hydrogen from an alkaline solution. This means the metal must be more reactive than hydrogen.
Here's why:
- A. Fe (Iron): Iron is a reactive metal and can displace hydrogen from alkaline solutions under suitable conditions (e.g., high temperature).
- B. Cu (Copper): Copper is less reactive than hydrogen and will not displace it.
- C. Cn: This appears to be a typo and not a recognized element.
- D. Sn (Tin): Tin is a less reactive metal than iron, and generally won't displace hydrogen in this scenario.
Therefore, Iron is the most appropriate answer.
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