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Anomalous Behaviour of Beryllium & Diagonal Relationship Between Beryllium & Aluminium Video Lecture | Chemistry Class 11 - NEET

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FAQs on Anomalous Behaviour of Beryllium & Diagonal Relationship Between Beryllium & Aluminium Video Lecture - Chemistry Class 11 - NEET

1. What is the anomalous behavior of beryllium?
Ans. Beryllium exhibits anomalous behavior due to its small size and high charge density. Unlike other alkaline earth metals, beryllium has a higher melting point, lower atomic radius, and a higher ionization energy. It also forms covalent compounds, unlike other metals in its group.
2. How does beryllium show a diagonal relationship with aluminum?
Ans. Beryllium and aluminum exhibit a diagonal relationship in the periodic table. Despite being in different groups, they share similar properties due to their similar charge-to-size ratio. They both have a tendency to form covalent compounds, exhibit amphoteric behavior, and form stable complexes with ligands.
3. Why does beryllium form covalent compounds?
Ans. Beryllium has a small atomic size and a high charge density, which results in a strong attraction between the beryllium nucleus and shared electrons in covalent bonds. This strong attraction leads to the formation of covalent compounds, where beryllium shares electrons with other elements to achieve a stable electron configuration.
4. What is the significance of the diagonal relationship between beryllium and aluminum?
Ans. The diagonal relationship between beryllium and aluminum is significant as it helps in understanding the similarities in their properties and behavior. Despite being in different groups, they share common characteristics such as the tendency to form covalent compounds and exhibit amphoteric behavior. This relationship aids in predicting the behavior of elements and their compounds.
5. How does the anomalous behavior of beryllium affect its applications?
Ans. The anomalous behavior of beryllium, such as its high melting point and ability to form covalent compounds, makes it useful in various applications. Beryllium is used in the aerospace industry for its lightweight and high-strength properties. Its ability to form stable complexes makes it valuable in the field of coordination chemistry. However, its toxicity poses challenges in handling and disposal.
195 videos|337 docs|190 tests
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