. What coefficient of AgNO3


is it required to balance the following equation?

Cu + AgNO3→ Cu(NO3)2 + Ag

A: 0

B: 1

C: 2

D: 3

 

Best Answer

Solution :

Explanation :

The correct answer is option C i.e 2.

To balance any chemical equation, there needs to be an equal number of atoms of all elements on either side of the reaction arrow. 

So, here we can balance easily using hit and trial method and the balanced equation is then obtained to be as follows:

Cu+2AgNO3⟶Cu(NO3)2​+2Ag.

Here, the number of Ag on either side is 2 , N is also 2 , 6 O atoms and 1 Cu atom on either side. 

Final Answer:

Hence, the balanced equation of displacement of Ag by Cu is obtained as given below:

         Cu+2AgNO3⟶Cu(NO3)2​+2Ag

 

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