Which of the following pairs will give displacement reactions

Asked by admin @ 10/08/2021 in Science viewed by 409 People

which of the following pairs will give displacement reaction? a. NaCl solution And copper metal b. Mgcl2 Solution and Aluminum metal C. Feso4 solution and silver metal d. AgNo3 solution and copper metal

Answered by admin @ 10/08/2021

Answer:

$\mathbf{F} \mathbf{e} \mathbf{s} \mathbf{O}_{4}$ solution and silver metal gives displacement reaction.

Explanation:

“A reaction in which a one element displaced or replaced or removed another element is known as displacement reaction.”
Depending on the replacement or displacement of atoms in between the reactants they can be classified as single displacement and double displacement reactions.

For example:

Single displacement reaction:

$z n+2 H C l \rightarrow Z n C l_{2}+H_{2}$

Double displacement reaction:

$\mathrm{Na}_{2} \mathrm{S}+2 \mathrm{HCl} \rightarrow 2 \mathrm{NaCl}+\mathrm{H}_{2} \mathrm{S}$

From the given options,

$\mathrm{FeSO}_{4}$ solution and silver metal gives displacement reaction.

The chemical reaction is as follows as:

$\mathrm{FeSO}_{4}+\mathrm{Ag} \rightarrow \mathrm{Fe}+\mathrm{AgSO}_{4}$

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