Metals React With Other Metal Salts


 
 
Concept Explanation
 

Metals React With Other Metal Salts

Displacement Reactions:

In a displacement reaction, a metal reacts with a salt solution and ‘displaces’ (or replaces) the metal present in it. Displacement reactions are explained on the basis of the activity series of metals.  The activity series of metals is a list of common metals arranged in the decreasing order of reactivity.  This means that a metal which is placed higher in the activity series is more reactive than those placed below it.

A metal will only react with a salt solution if it is placed higher in the activity series than the metal in the salt. For example, iron, which is placed higher in the activity series than copper, reacts with copper sulphate solution.

Silver does not react with zinc sulphate.

Ag + ZnSO_4 rightarrow No reaction

Zinc reacts with copper sulphate to form zinc sulphate and copper.

Zn + CuSO_4 rightarrow ZnSO_4 + Cu

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Sample Questions
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Question : 1

Which of the following will react with copper sulphate ?

Right Option : D
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Question : 2

Zinc replaces copper from ____________________-

Right Option : B
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Question : 3

Which of the following will not react with copper sulphate ?

Right Option : A
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