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Select write statement(s)
  • a)
    8 Cs+ ions occupy the second nearest neighbour locations of a Cs+ ion
  • b)
    Each sphere is surrounded by six voids in two dimensional hexagonal close packed layer
  • c)
    If the radius of cations and amnions are 0.3 Å and 0.4 Å the coordinate number of cation in the crystal is 6
  • d)
    In AgCl, the silver ion is displaced from its lattice position to an interstitial position such a defect is called a Frenkel defect
Correct answer is option 'B,D'. Can you explain this answer?
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Select write statement(s)a)8 Cs+ ions occupy the second nearest neighb...
**Statement B: Each sphere is surrounded by six voids in a two-dimensional hexagonal close-packed layer**

In a two-dimensional hexagonal close-packed (hcp) layer, each sphere is surrounded by six voids. This arrangement can be visualized by imagining a layer of spheres arranged in a hexagonal pattern. Each sphere in this layer has six neighboring spheres surrounding it, creating a hexagonal arrangement.

**Statement D: In AgCl, the silver ion is displaced from its lattice position to an interstitial position, such a defect is called a Frenkel defect**

A Frenkel defect is a type of point defect in a crystal lattice where an ion is displaced from its lattice position to an interstitial position. In the case of AgCl, the silver ion (Ag+) is displaced from its lattice position in the crystal structure and occupies an interstitial site. This defect is called a Frenkel defect.

This type of defect is common in ionic compounds where the cations have a large size compared to the anions. The cation can easily occupy an interstitial site without disrupting the overall crystal structure significantly. Frenkel defects do not affect the stoichiometry of the crystal, as the displaced cation remains in the crystal but in a different position.

The formation of Frenkel defects can be caused by various factors such as thermal energy, radiation, or lattice defects. In the case of AgCl, the silver ion is smaller than the chloride ion, making it easier for the silver ion to occupy an interstitial position without causing significant distortion to the crystal lattice.

Frenkel defects can have important implications for the properties and behavior of materials. They can affect the electrical conductivity, optical properties, and mechanical properties of crystals. Additionally, the presence of Frenkel defects can influence the diffusion of ions within the crystal lattice.

Overall, statement B and D are correct because they accurately describe the arrangement of voids in a two-dimensional hexagonal close-packed layer and the formation of a Frenkel defect in AgCl.
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Select write statement(s)a)8 Cs+ ions occupy the second nearest neighbour locations of a Cs+ ionb)Each sphere is surrounded by six voids in two dimensional hexagonal close packed layerc)If the radius of cations and amnions are 0.3 Å and 0.4 Å the coordinate number of cation in the crystal is 6d)In AgCl, the silver ion is displaced from its lattice position to an interstitial position such a defect is called a Frenkel defectCorrect answer is option 'B,D'. Can you explain this answer?
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Select write statement(s)a)8 Cs+ ions occupy the second nearest neighbour locations of a Cs+ ionb)Each sphere is surrounded by six voids in two dimensional hexagonal close packed layerc)If the radius of cations and amnions are 0.3 Å and 0.4 Å the coordinate number of cation in the crystal is 6d)In AgCl, the silver ion is displaced from its lattice position to an interstitial position such a defect is called a Frenkel defectCorrect answer is option 'B,D'. Can you explain this answer? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about Select write statement(s)a)8 Cs+ ions occupy the second nearest neighbour locations of a Cs+ ionb)Each sphere is surrounded by six voids in two dimensional hexagonal close packed layerc)If the radius of cations and amnions are 0.3 Å and 0.4 Å the coordinate number of cation in the crystal is 6d)In AgCl, the silver ion is displaced from its lattice position to an interstitial position such a defect is called a Frenkel defectCorrect answer is option 'B,D'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Select write statement(s)a)8 Cs+ ions occupy the second nearest neighbour locations of a Cs+ ionb)Each sphere is surrounded by six voids in two dimensional hexagonal close packed layerc)If the radius of cations and amnions are 0.3 Å and 0.4 Å the coordinate number of cation in the crystal is 6d)In AgCl, the silver ion is displaced from its lattice position to an interstitial position such a defect is called a Frenkel defectCorrect answer is option 'B,D'. Can you explain this answer?.
Solutions for Select write statement(s)a)8 Cs+ ions occupy the second nearest neighbour locations of a Cs+ ionb)Each sphere is surrounded by six voids in two dimensional hexagonal close packed layerc)If the radius of cations and amnions are 0.3 Å and 0.4 Å the coordinate number of cation in the crystal is 6d)In AgCl, the silver ion is displaced from its lattice position to an interstitial position such a defect is called a Frenkel defectCorrect answer is option 'B,D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Chemistry. Download more important topics, notes, lectures and mock test series for Chemistry Exam by signing up for free.
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