Lesson 4: Group 15 Elements (Nitrogen Family)
This lesson covers Nitrogen (N), Phosphorus (P), Arsenic (As), Antimony (Sb), and Bismuth (Bi).
- Reactivity: The reactivity of these elements decreases down the group. Nitrogen is highly unreactive due to the strong triple bond in molecule.
- Allotropy of Phosphorus: Phosphorus exists in various allotropic forms, primarily white, red, and black phosphorus, each with distinct properties.
- Important Compounds of Nitrogen:
- Ammonia (): Preparation by the Haber process and its basic nature.
- Nitric Acid (): Preparation by the Ostwald process and its strong oxidizing properties.
- Oxides of Nitrogen: Students will learn about the structures and properties of various nitrogen oxides.
- Important Compounds of Phosphorus: The lesson covers the preparation and properties of phosphine (), phosphorus halides (), and oxoacids of phosphorus.
