NEET Exam > NEET Videos > Chemistry Class 12 > Dinitrogen: Preparation & Properties
Dinitrogen: Preparation & Properties Video Lecture | Chemistry Class 12 - NEET
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FAQs on Dinitrogen: Preparation & Properties Video Lecture - Chemistry Class 12 - NEET
| 1. How is dinitrogen prepared? |  |
Ans. Dinitrogen can be prepared by various methods such as fractional distillation of liquid air, by the reaction of ammonium nitrite with an alkali, or by the reaction of nitrogen-containing compounds with reducing agents.
| 2. What are the physical properties of dinitrogen? | |
Ans. Dinitrogen is a colorless and odorless gas at room temperature. It has a density of 1.25 kg/m3, a boiling point of -195.8°C, and a melting point of -210.1°C. It is slightly soluble in water and is lighter than air.
| 3. What are the chemical properties of dinitrogen? | |
Ans. Dinitrogen is a relatively inert gas and does not react easily with other substances under normal conditions. However, it can react with certain metals, such as lithium and magnesium, to form nitrides. It can also react with certain non-metals, such as hydrogen, to form ammonia.
| 4. What are some important uses of dinitrogen? | |
Ans. Dinitrogen is used in various industries and applications. It is commonly used in the production of ammonia, which is used as a fertilizer and in the manufacturing of various chemicals. Dinitrogen is also used in the food industry for packaging and preserving food products to prevent spoilage. Additionally, it is used in the production of electronic components and as a cryogenic coolant.
| 5. What are the health hazards associated with dinitrogen? | |
Ans. Dinitrogen is generally considered to be a safe gas to handle. However, in high concentrations, it can displace oxygen in the air and cause asphyxiation. Symptoms of dinitrogen exposure include dizziness, headache, and confusion. It is important to ensure proper ventilation when working with dinitrogen to prevent the accumulation of high concentrations.
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