An ionic compound is expected to have tetrahedral structure if r+/r– lies in the range of
0.414 to 0.732
0.732 to 1
0.155 to 0.225
0.225 to 0.414
Additional Questions
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The coordination number of Al in the crystalline state of AlCl3 is |
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A unit cell of sodium chloride has four formula units. The edge length of the unit cell is 0.564 nm. What is the density of sodium chloride? |
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The ability of a given substance to assume two or more crystalline structure is called |
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In which of the following crystals alternate tetrahedral voids are occupied? |
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Volume occupied by single CsCl ion pair in a crystal is 7.014 × 10–23 cm3. The smallest Cs – Cs internuclear distance is equal to length of the side of the cube corresponding to volume of one CsCl ion pair. The smallest Cs to Cs internuclear distance is nearly |
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The white ZnO turns yellow on heating because of |
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The crystal with metal deficiency defect is |
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A metal has a fcc lattice. The edge length of the unit cell is 404 pm. The density of the metal is 2.72 g cm–3. The molar mass ofthe metal is (NA = Avogadro's constant = 6.02 × 1023 mol–1) |
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The ionic radii of Rb+ and I– are 1.46 Å and 2.16 Å respectively. The most probable type of structure exhibited by it is |
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The number of atoms per unit cell of bcc structure is |
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