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Help!! Electrochemical question? (1 Viewer)

bubb

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Fe reacts with silver nitrate to make Fe 2+ and Silver metal. Why in half equations the nitrate is not involved? is it a spectator ion?
 

HeroicPandas

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Yes, nitrate ions are the spectator ions. Electron-transfer (2 of them) goes from metal (Fe) to metal ion (Ag+) through a medium (electrolyte - nitrate ions in this case), thus only the metal and metal ions are getting oxidized/reduced.
 

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