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Write a balanced overall reaction from these unbalanced half-reactions. sn⟶sn2 ag ⟶ag

Sagot :

The balanced overall reaction from these unbalanced half-reactions is given  in following steps ,

Step 1 : [tex]Sn[/tex] → [tex]Sn^{+2}+ 2e^{-}[/tex]  

Step 2 : [tex]Ag^{+}[/tex] + [tex]e^{-}[/tex] →  [tex]Ag[/tex]

 [tex]2Ag^{+} + 2e^{-}[/tex] → [tex]2Ag[/tex]

Overall reaction : [tex]Sn[/tex] + [tex]2Ag^{+}[/tex] → [tex]Sn^{+2}[/tex] + [tex]2Ag[/tex]

The equation in which number of atoms of elements in reactant side is equal to the number of atoms of elements in product side is called balanced chemical equation .

This step is oxidation half-reaction in which loss of electron is takes place .

Second steps is reduction reaction in which fain of electrons is takes place. We multiple second  half-reaction by two to make equal number of electrons in both steps to cancel out the electrons from the equation.

learn more about half-reaction

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