what is the observation when lead nitrate is reacted with magnisium?
When lead nitrate is reacted with magnesium, a chemical reaction occurs, resulting in the formation of lead metal and magnesium nitrate. The observation during this reaction can be understood by following these steps:
1. Write the balanced chemical equation:
2Pb(NO3)2 + 3Mg -> 3Mg(NO3)2 + 2Pb
2. Identify the reactants and products:
- Reactants: Lead nitrate (Pb(NO3)2) and magnesium (Mg)
- Products: Magnesium nitrate (Mg(NO3)2) and lead (Pb)
3. Determine the physical state of the reactants and products:
- Lead nitrate (Pb(NO3)2) is usually a white crystalline solid.
- Magnesium (Mg) is a silver-colored metallic solid.
- Magnesium nitrate (Mg(NO3)2) is a white crystalline solid.
- Lead (Pb) is a bluish-gray metallic solid.
4. Predict the possible observations during the reaction:
- You may observe the formation of a white precipitate (solid) as the reaction takes place.
- There might be a fizzing or bubbling effect due to the release of gas (nitrogen dioxide) during the reaction.
- As lead forms, there could be a change in color from the initial coloration of the reactants.
- The temperature of the reaction mixture might increase due to the release of energy.
It is important to note that conducting experiments involving chemical reactions requires safety precautions and appropriate laboratory conditions. Always consult a qualified professional or perform experiments under the guidance of a trained individual.