Which one of the following compound exhibits both Schottky and Frenkel defects?
NaCl
AgCl
AgBr
AgI
Additional Questions
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AB is an ionic solid. If the ratio of ionic radii of A+and B– is 0.52. What is the coordination number of B–? |
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For a crystal, the angle of diffraction (2θ) is 90° and the second order line has a d value of 2.28Å. The wavelength (in Å) of X–rays usedfor Bragg's diffraction is |
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Lithium has a bcc structure. Its density is 530 kg m–3 and its atomic mass is 6.94 g mol–1. Calculate the edge length of a unit cell of Lithium metal (NA = 6.02 × 1023 mol–1) |
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If AgI crystallizes in zinc blende structure with I– ions at lattice points, what fraction of tetrahedral voids is occupied by Ag+ ions? |
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If the distance between Na+ and Cl– ions in sodium chloride crystal is X pm, the length of the edge of the unit cell is |
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If Z is the number of atoms in the unit cell that represents the closest packing sequence ABC ABC_____, the number of tetrahedral voids in the unit cell is equal to |
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In a face centredcubic (fcc) arrangement, the number of atoms per unit cell is |
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In a face centred cubic lattice, atom A occupies the corner positions and atom B occupies the face centre positions. If one atom of B is missing from one of the face centred points, the formula of the compound is |
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Total number of tetrahedral and octahedral voids in 0.5 mol of a compound forming hcp structure are: |
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In AgBr, there can occur |
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