After completing the chapter try out the following 20 MCQ questions. 20 marks. 30 mins.
QUIZ START
#1. Body centred cubic lattice has a coordination number of
#2. The number of atoms in 100 g of an FCC crystal with density 10 gm/cc and cell edge as 200 pm is equal to
#3. Which of the following describes the hexagonal close packed arrangement of spheres?
#4. A body centred cubic lattice is composed of anions Q and cations P, where ions occupy the corners and ions P occupy the centre, the formula of the compound is
#5. In hcp arrangement, the coordination number is
#6. For an octahedral arrangement the lowest radius ratio limit is
#7. The C.N of A2+ in AB2 is 8, then the C.N of B is
#8. Which of the following does not represent a type of crystal system?
#9. The number of NaCl molecule in unit cell of its crystal is
#10. A metal crystallises as body centred cubic lattice with the edge length of o.304 nm. If the molar mass of the metal is 50.3g/mol, its density is
#11. Which of the following is not ferromagnetic?
#12. The crystal with metal deficiency is
#13. Density of a crystal remains unchanged as a result of
#14. A semiconductor of Ge can be made p-type by adding
#15. Among the following which one is expected to have highest melting point
#16. Silicon doped with electron rich element is
#17. A atom at the face has a contribution of
#18. If the radius ratio is of 0.225-0.414 it is
#19. When electrons are trapped in the crystal in the anionic vacancy, the defect is known as
#20. Percentage of free space in body centred cubic unit cell is
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