Respuesta :
Balanced chemical reaction:
8H⁺(aq) + 6Cl⁻(aq) + Sn(s) + 4NO₃⁻(aq) → SnCl₆²⁻(aq) + 4NO₂(g) + 4H₂O(l).
Nitrate anion (NO₃⁻) is oxidazing agent, because nitrogen (oxidation number +5) in nitrate gains electrons and became nitrogen dioxide (NO₂), where now nitrogen has oxidation number +4, so nitrogen is reduced.
8H⁺(aq) + 6Cl⁻(aq) + Sn(s) + 4NO₃⁻(aq) → SnCl₆²⁻(aq) + 4NO₂(g) + 4H₂O(l).
Nitrate anion (NO₃⁻) is oxidazing agent, because nitrogen (oxidation number +5) in nitrate gains electrons and became nitrogen dioxide (NO₂), where now nitrogen has oxidation number +4, so nitrogen is reduced.
The oxidizing agent in the reaction is [tex]\mathbf{NO_{3(aq)}^-}[/tex].
An oxidizing agent is a substance that causes reduction when it removes an electron from another reactant species in a chemical equation.
On the other hand, a reducing agent is a substance that causes oxidation when it accepts an electron from another reacting species in a chemical equation.
From the given chemical equation:
[tex]\mathbf{8H^+_{(aq)} + 6cl^{-}_{(aq)} + Sn _{(s)} + 4 NO_3^-_{(aq)} \to SnCl_6^{2-}_{(aq)} + 4NO_{2(g)} + 4H_2O_{(l)}}[/tex]
The oxidizing agent is = [tex]\mathbf{NO_{3(aq)}^-}[/tex]. This is because Sn is oxidized from 0 to +4.
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