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Solid State

19 questions · Chemistry · JEE Advanced
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Solid State

19 questions · Chemistry · JEE Advanced

  1. The density (in gcm−3) of the metal which forms a cubic close packed (ccp) lattice with an axial distance (edge length) equal to 400 pm is ​. Use: Atomic mass of metal =105.6amu…2025 · Shift 2 · Q9 · Numerical
  2. In a metal deficient oxide sample, Mx​Y2​O4​(M and Y are metals), M is present in both +2 and +3 oxidation states and Y is in +3 oxidation state. If the…2024 · Shift 2 · Q2 · MCQ
  3. Atoms of metals x,y, and z form face-centred cubic (fcc) unit cell of edge length Lx​, body-centred cubic (bcc) unit cell of edge length Ly​, and simple cubic unit cell of…2023 · Shift 2 · Q6 · Multiple correct
  4. Atom X occupies the fcc lattice sites as well as alternate tetrahedral voids of the same lattice. The packing efficiency (in %) of the resultant solid is closest to2022 · Shift 2 · Q15 · MCQ
  5. For the given close packed structure of a salt made of cation X and anion Y shown below (ions of only one face are shown for clarity), the packing fraction is approximately (packing fraction = 100packingefficiency​) Includes diagram2021 · Shift 1 · Q3 · MCQ
  6. The cubic unit cell structure of a compound containing cation M and anion X is shown below. When compared to the anion, the cation has smaller ionic radius. Choose the correct statement(s). Includes diagram2020 · Shift 1 · Q12 · Multiple correct
  7. Consider an ionic solid MX with NaCl structure. Construct a new structure (Z) whose unit cell is constructed from the unit cell of MX following the sequential instructions given below. Neglect the charge balance. (i)…2018 · Shift 1 · Q5 · Numerical
  8. A crystalline solid of a pure substance has a face-centered cubic structure with a cell edge of 400pm. If the density of the substance in the crystal is 8gcm−3, then the number of atoms present in 256g of the crystal is N×1024.…2017 · Shift 1 · Q7 · Numerical
  9. The CORRECT statement(s) for cubic close packed (ccp) three dimensional structure is (are) :2016 · Shift 2 · Q4 · Multiple correct
  10. If the unit cell of a mineral has cubic close packed (ccp) array of oxygen atoms with m fraction of octahedral holes occupied by aluminium ions and n fraction of tetrahedral holes occupied by magnesium ions, m and n, respectively, are2015 · Shift 1 · Q5 · Multiple correct
  11. The arrangement of X − ions around A+ ion in solid AX is given in the figure (not drawn to scale). If the radius of X − is 250 pm, the radius of A+ is Includes diagram2013 · Shift 1 · Q14 · MCQ
  12. A compound MpXq has cubic close packing (ccp) arrangement of X. Its unit cell structure is shown below. The empirical formula of the compound is Includes diagram2012 · Shift 1 · Q7 · MCQ
  13. The number of hexagonal faces that are present in a truncated octahedron is ​.2011 · Shift 2 · Q5 · Numerical
  14. The packing efficiency of the twodimensional square unit cell shown below is Includes diagram2010 · Shift 2 · Q10 · MCQ
  15. The correct statement(s) regarding defects in solids is (are)2009 · Shift 1 · Q10 · Multiple correct
  16. The coordination number of Al in the crystalline state of AlCl 3​ is ​.2009 · Shift 2 · Q18 · Numerical
  17. In hexagonal systems of crystals, a frequently encountered arrangement of atoms is described as a hexagonal prism. Here, the top and bottom of the cell are regular hexagons and three atoms are sandwiched in between them. A space-filling…2008 · Shift 2 · Q18 · MCQ
  18. In hexagonal systems of crystals, a frequently encountered arrangement of atoms is described as a hexagonal prism. Here, the top and bottom of the cell are regular hexagons and three atoms are sandwiched in between them. A space-filling…2008 · Shift 2 · Q19 · MCQ
  19. In hexagonal systems of crystals, a frequently encountered arrangement of atoms is described as a hexagonal prism. Here, the top and bottom of the cell are regular hexagons and three atoms are sandwiched in between them. A space-filling…2008 · Shift 2 · Q20 · MCQ