NEET Exam > NEET Videos > Chemistry Class 12 > Phosphorus: Allotropic Forms
Phosphorus: Allotropic Forms Video Lecture | Chemistry Class 12 - NEET
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FAQs on Phosphorus: Allotropic Forms Video Lecture - Chemistry Class 12 - NEET
| 1. What are the different allotropic forms of phosphorus? |  |
Ans. Phosphorus exists in several allotropic forms, including white phosphorus, red phosphorus, black phosphorus, and violet phosphorus.
| 2. What are the properties of white phosphorus? | |
Ans. White phosphorus is a waxy, translucent solid that ignites easily in air. It is highly reactive and toxic. It has a molecular formula of P4 and a tetrahedral structure.
| 3. How is red phosphorus different from white phosphorus? | |
Ans. Red phosphorus is a more stable and less reactive form of phosphorus compared to white phosphorus. It appears as a dark red powder and is non-toxic. Red phosphorus does not ignite spontaneously in air.
| 4. What are the uses of black phosphorus? | |
Ans. Black phosphorus has unique electronic and optical properties, making it suitable for applications in electronics, optoelectronics, and energy storage devices. It can be used in transistors, sensors, and batteries.
| 5. Is violet phosphorus a common form of phosphorus? | |
Ans. No, violet phosphorus is a relatively rare and unstable form of phosphorus. It is metastable and can be obtained by heating white or red phosphorus under high pressure. Violet phosphorus has potential applications in semiconductors and photocatalysis.
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