A gas ‘X’ is added to Nessler’s reagent then brown precipitate is formed, gas X is
\(NH_3\)
\(SO_2\)
\(Cl_2\)
\(Br_2\)
The Correct Option is A
Solution and Explanation
The correct option is (A): \(NH_3\).
Top Questions on Ammonia
- Ammonia is synthesized in the Haber process in the following reaction.
$𝑁_2 (𝑔) + 3𝐻_2 (𝑔) → 2𝑁𝐻_3(𝑔)$
The temperature above which the reaction becomes spontaneous is __________ 𝐾 (rounded off to one decimal place).
($\bigtriangleup 𝐻^0 = −92.2 𝑘𝐽, \bigtriangleup 𝑆^0 = −199 𝐽𝐾^{ −1}$ ) - The dehydrating agent for ammonia used in laboratory is
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- $NH_4Cl(s)$ is heated in a test tube. Vapours are brought in contact with red litmus paper, which changes it to blue and then to red. It is because of
Questions Asked in JEE Main exam
- Let \[ \vec{a} = 2\hat{i} + \alpha \hat{j} + \hat{k}, \quad \vec{b} = -\hat{i} + \hat{k}, \quad \vec{c} = \beta \hat{j} - \hat{k}, \] where \( \alpha \) and \( \beta \) are integers and \( \alpha \beta = -6 \). Let the values of the ordered pair \( (\alpha, \beta) \) for which the area of the parallelogram of diagonals \( \vec{a} + \vec{b} \) and \( \vec{b} + \vec{c} \) is \( \frac{\sqrt{21}}{2} \), be \( (\alpha_1, \beta_1) \) and \( (\alpha_2, \beta_2) \). Then \( \alpha_1^2 + \beta_1^2 - \alpha_2 \beta_2 \) is equal to:
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Concepts Used:
Ammonia
Ammonia (NH3) is a colorless, pungent gas that is composed of one nitrogen atom and three hydrogen atoms. It has a molecular weight of 17.03 g/mol and a boiling point of -33.34°C, making it a highly volatile compound. Ammonia is one of the most important industrial chemicals and is widely used in a variety of applications.
Ammonia is generally used as a fertilizer due to its high nitrogen content, which is essential for plant growth. It is also used in the production of various chemicals, including explosives, plastics, and pharmaceuticals. In the refrigeration industry, ammonia is used as a refrigerant due to its low cost, high efficiency, and low environmental impact.
While ammonia has many useful applications, it can also be hazardous to human health and the environment. Inhalation of high concentrations of ammonia gas can cause irritation and damage to the eyes, nose, throat, and lungs. Long-term exposure to ammonia can also cause chronic respiratory problems, such as bronchitis and asthma. In addition, ammonia can contribute to the formation of acid rain and eutrophication of water bodies, which can have negative impacts on aquatic ecosystems.
To minimize the risks associated with ammonia, safety measures such as proper handling, storage, and disposal should be implemented. In addition, technologies that reduce ammonia emissions and improve the efficiency of ammonia production and use can help to minimize the environmental impact of this important chemical.