The equation 4HNO3 + Al(OH)3 -> 2NO2 + 2H2O + Al(NO3)3

  1. Detailed information about the equation 4HNO3 + Al(OH)3 -> 2NO2 + 2H2O + Al(NO3)3:

    • This equation describes the reaction process between nitric acid (HNO3) and aluminum hydroxide (Al(OH)3) to produce nitrogen dioxide (NO2), water (H2O), and aluminum nitrate (Al(NO3)3).
    • In terms of mols, 4 mols of HNO3 react with 1 mol of Al(OH)3 to produce 2 mols of NO2, 2 mols of H2O, and 1 mol of Al(NO3)3.

  2. Reaction conditions:

    • This reaction takes place under normal temperature and pressure conditions. However, high temperatures will increase the reaction rate.
    • HNO3 and Al(OH)3 need to be mixed together in a water environment for the reaction to occur.

  3. Reaction process:

    • During the reaction process, HNO3 and Al(OH)3 interact with each other and share electrons to produce the reaction products which are NO2, H2O, and Al(NO3)3.

  4. Occurring phenomena:

    • When the reaction occurs, you can witness the smoking phenomenon of brown smoke due to the release of nitrogen dioxide (NO2).
    • The change in color indicates that the reaction has been successful.
    • Finally, if you pay attention, you will see the precipitation of Al(NO3)3 appear after the reaction.

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