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d & f-Block Elements Class 12 Notes Chemistry Chapter 4

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FAQs on d & f-Block Elements Class 12 Notes Chemistry Chapter 4

1. What are d-block and f-block elements?
Ans. d-block and f-block elements are two groups of elements in the periodic table. The d-block elements, also known as transition metals, are located in the middle of the periodic table and include elements like iron, copper, and zinc. The f-block elements, also known as inner transition metals, are located at the bottom of the periodic table and include elements like uranium and plutonium.
2. What are the unique properties of d-block elements?
Ans. D-block elements have several unique properties. They have multiple oxidation states, meaning they can lose different numbers of electrons depending on the compound they form. They also have high melting and boiling points, good thermal and electrical conductivity, and are often dense and hard. Additionally, d-block elements are often used as catalysts in chemical reactions.
3. How do f-block elements differ from d-block elements?
Ans. F-block elements differ from d-block elements in their electron configurations. The f-block elements have their valence electrons in the f-orbitals, while d-block elements have their valence electrons in the d-orbitals. F-block elements also have a larger number of electron shells compared to d-block elements. Additionally, f-block elements have a greater range of oxidation states.
4. What are some common uses of d-block elements?
Ans. D-block elements have many practical applications. Iron is widely used in construction and manufacturing, while copper is used in electrical wiring and plumbing. Zinc is used in galvanizing steel, and silver is used in jewelry and photography. Other d-block elements like platinum and gold have industrial and medical uses due to their unique properties.
5. Why are d-block and f-block elements important in chemistry?
Ans. D-block and f-block elements play a crucial role in chemistry due to their unique electronic configurations and properties. They often serve as catalysts in chemical reactions, allowing reactions to occur more efficiently. The multiple oxidation states of d-block elements make them versatile in forming different compounds. F-block elements, particularly the lanthanides and actinides, have important applications in nuclear energy and technology.
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