Q.

Is it true that the reaction between copper (II) sulphate and zinc is a displacement reaction?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Displacement reactions are those reactions where an atom or a group of atoms get replaced by another atom or a group of atoms in a chemical reaction. The less reactive metal gets displaced by a more reactive metal from its salt solution. When we add zinc to the copper sulphate solution, zinc displaces copper from the copper sulphate solution. It forms zinc sulphate because, according to the reactivity series, zinc is more reactive than copper.
CuSO4(aq)    +   Zn(s)     ZnSO4(aq)  +Cu(s)
 
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