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Hydrogen (Part - 11) - Hydride Gap, Chemistry, Class 11 Video Lecture

FAQs on Hydrogen (Part - 11) - Hydride Gap, Chemistry, Class 11 Video Lecture

1. What is the Hydride Gap in chemistry?
Ans. The Hydride Gap refers to the absence of certain hydrides in the periodic table. It is the empty space between the hydrides of Group 13 and Group 14 elements. This gap occurs because elements in this region do not readily form stable hydrides.
2. Why do elements in the Hydride Gap not readily form stable hydrides?
Ans. The elements in the Hydride Gap, such as boron and silicon, do not readily form stable hydrides due to their small atomic sizes and high electronegativities. These factors make it difficult for them to attract and retain hydrogen atoms, resulting in the absence of stable hydride compounds.
3. What are the consequences of the Hydride Gap in chemistry?
Ans. The consequences of the Hydride Gap are significant. The absence of stable hydrides limits the reactivity and versatility of elements in this region. It affects their ability to participate in various chemical reactions, including reduction reactions and acid-base reactions. Additionally, the absence of stable hydrides hinders the synthesis of compounds and materials that could have potential applications in fields such as catalysis and energy storage.
4. Are there any exceptions to the Hydride Gap?
Ans. Yes, there are a few exceptions to the Hydride Gap. While most elements in the Hydride Gap do not form stable hydrides, some exceptions exist. For example, aluminum and germanium can form stable hydrides, namely aluminum hydride (AlH3) and germane (GeH4), respectively. However, these exceptions are relatively rare compared to the elements that do not form stable hydrides.
5. What are the implications of understanding the Hydride Gap in chemistry?
Ans. Understanding the Hydride Gap is crucial in expanding our knowledge of chemical reactivity and the behavior of elements. It allows scientists to predict and explain the properties of elements in this region, as well as explore strategies to overcome the limitations imposed by the absence of stable hydrides. Furthermore, understanding the Hydride Gap can aid in the development of new materials and compounds with enhanced functionality and potential applications in various fields.
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