Question

In displacement reactions
(a) a more reactive metal displaces a less reactive metal.
(b) a less reactive metal displaces a more reactive metal.
(c) both (a) and (b)
(d) none of these

Answer 1

Answer:

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(a) a more reactive metal displaces a less reactive metal.

Answer 2

Answer

a) a more reactive metal displaces a less reactive metal

Explanation

In displacement reaction, the more reactive metal, i.e, the metal which occurs at a higher position in the reactivity series of metals, displaces the less reactive metal, i.e, the metal which come lower in reactivity series of metals, from its salt (aqueous) solution.

Example

$\sf Fe(s) + CuSO_4(aq)\rightarrow FeSO_4(aq) + Cu(s)$

Here, Fe displaces Cu from its salt solution because it comes at higher position in reactivity series than Cu.