The equation Fe(NO3)2 + NaOH -> Fe(OH)2 + 2NaNO3

  1. The above equation is a chemical equation describing the neutralization reaction between iron(II) nitrate (Fe(NO3)2) and sodium hydroxide (NaOH), resulting in iron(II) hydroxide (Fe(OH)2) and sodium nitrate (NaNO3).

  2. Reaction conditions: This reaction takes place under standard temperature and pressure conditions.

  3. The reaction process:

    • Stage 1: Fe(NO3)2 reacts with NaOH to form Fe(OH)2 and NaNO3.
    • Stage 2: Fe(OH)2 is insoluble in water, thus it precipitates as a white-blue solid substance.

  4. Phenomena occurred: When iron(II) nitrate reacts with sodium hydroxide, they form a white-blue precipitate of iron(II) hydroxide and sodium nitrate.

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