Respuesta :
The balanced molecular equation , with Na⁺ as the spectator ion .
2NaCrO₂(aq) + 2H₂O(l) + 6NaClO(aq) →2[tex]Na_{2}[/tex]CrO₄(aq) + 3Cl₂(g) + 4NaOH(aq)
There are following steps involve in balanced redox reaction in basic medium .
- Divide the reaction into two half reactions .
- Balance the elements other than oxygen and hydrogen .
- Balance the oxygen atom by adding [tex]H_{2} O[/tex].
- Balance the hydrogen atom by adding [tex]H^{+}[/tex].
- Add [tex]OH^{-}[/tex] on bath side .
- Combine [tex]OH^{-}[/tex] and [tex]H^{+}[/tex] to form form [tex]H_{2} O[/tex].
- Balance the charge by adding [tex]e^{-}[/tex] .
- Add the half reaction and simply .
The species which reduces the other species in the redox reaction is called oxidizing agent . Similarly , the species which oxidize the other species in the redox reaction is called reducing agent .
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