NEET > Chemistry Class 12 > Short Tricks: Questions Solve on D-Block Elements
Short Tricks: Questions Solve on D-Block Elements Video Lecture - Chemistry Class 12 - NEET
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FAQs on Short Tricks: Questions Solve on D-Block Elements Video Lecture - Chemistry Class 12 - NEET
| 1. What are D-block elements? |  |
Ans. D-block elements are a group of transition metals located in the middle of the periodic table. They are called "D-block" because their electron configuration includes filling of the d orbital. These elements display typical metallic properties and have diverse applications in various industries.
| 2. How many elements are present in the D-block? | |
Ans. The D-block consists of 40 elements, ranging from Scandium (Sc) to Zinc (Zn). These elements exhibit similar chemical properties due to the filling of the d orbital.
| 3. What are the common characteristics of D-block elements? | |
Ans. D-block elements possess several common characteristics, such as high melting and boiling points, good conductors of heat and electricity, malleability, ductility, and the ability to form colored compounds. They also exhibit multiple oxidation states and have a high tendency to form complexes.
| 4. What are some important applications of D-block elements? | |
Ans. D-block elements find wide applications in various fields. For example, Iron (Fe) is used in the production of steel, Copper (Cu) is utilized in electrical wiring, and Silver (Ag) is used in jewelry and photography. Transition metals like Platinum (Pt) and Palladium (Pd) are crucial catalysts in chemical reactions. Additionally, many D-block elements are utilized in the manufacturing of electronic devices and batteries.
| 5. How do D-block elements contribute to the color of transition metal compounds? | |
Ans. The presence of unpaired d electrons in D-block elements results in the absorption and emission of specific wavelengths of light, leading to the observed colors in transition metal compounds. The energy difference between the d orbitals determines the color of the compound, with different oxidation states and ligands further influencing the color appearance.
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