When aluminum metal is added to a solution of zinc nitrate, a redox reaction occurs. Aluminum is oxidized from a neutral state to a +3 oxidation state, while zinc is reduced from a +2 oxidation state to a neutral state. The overall reaction can be represented by the following equation:

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2Al(s) + 3Zn(NO3)2(aq) → 2Al(NO3)3(aq) + 3Zn(s)

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In this reaction, aluminum acts as the reducing agent, donating electrons to zinc, which acts as the oxidizing agent. The aluminum atoms lose three electrons each, while the zinc atoms gain two electrons each. The products of the reaction are aluminum nitrate and zinc metal.

The reaction between aluminum and zinc nitrate is a highly exothermic reaction, meaning that it releases a large amount of heat. The heat released by the reaction can cause the solution to boil and produce steam. The reaction can also produce sparks or flames, so it is important to take safety precautions when conducting this experiment.

Safety precautions

When working with aluminum and zinc nitrate, it is important to take the following safety precautions:

* Wear eye protection and gloves.

* Work in a well-ventilated area.

* Keep the reaction mixture away from open flames or sparks.

* Do not dispose of the reaction mixture in the sink or toilet.

Disposal

The reaction mixture should be disposed of according to local regulations. In most cases, the reaction mixture can be disposed of by pouring it into a hazardous waste container.