Solid State Chemistry Chapter wise Objective Questions for practice:
Ques. Which type of solid crystals will conduct heat and electricity?
(a) Ionic
(b) Covalent
(c) Metallic
(d) Molecular
Ques. Wax is an example of
(a) Ionic crystal
(b) Covalent crystal
(c) Metallic crystal
(d) Molecular crystal
Ques. Potassium crystallizes in a bcc lattice, hence the coordination number of potassium in potassium metal is
(a) 0
(b) 4
(c) 6
(d) 8
Ques. Among the following which crystal will be soft and have low melting point
(a) Covalent
(b) Ionic
(c) Metallic
(d) Molecular
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Ques. It the distance between Na+ and Cl– ions in sodium chloride crystal is X pm, the length of the edge of the unit cell is
(a) 4X pm
(b) X/4 pm
(c) X/2 pm
(d) 2X pm
Ques. In zinc blende structure, zinc atom fill up
(a) All octahedral holes
(b) All tetrahedral holes
(c) Half number of octahedral holes
(d) Half number of tetrahedral holes
Ques. Potassium fluoride has NaCl type structure. What is the distance between K+ and F– ions if cell edge is a cm
(a) 2a cm
(b) a/2 cm
(c) 4a cm
(d) a/4 cm
Ques. The edge length of the unit cell of NaCl crystal lattice is 552 pm. If ionic radius of sodium ion is 95 pm, what is the ionic radius of chloride ion
(a) 190 pm
(b) 368 pm
(c) 181 pm
(d) 276 pm
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Ques. In the fluorite structure, the coordination number of Ca2+ ion is
(a) 4
(b) 6
(c) 8
(d) 3
Ques. How many space lattices are obtainable from the different crystal systems?
(a) 7
(b) 14
(c) 32
(d) 230
Ques. The structure of Na2O crystal is
(a) CsCl type
(b) NaCl type
(c) ZnS type
(d) Antifluorite
Ques. In a face-centered cubic lattice, a unit cell is shared equally by how many unit cells
(a) 8
(b) 4
(c) 2
(d) 6
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Ques. What type of lattice is found in potassium chloride crystal?
(a) Face centred cubic
(b) Body centred cubic
(c) Simple cubic
(d) Simple tetragonal
Ques. The maximum radius of sphere that can be fitted in the octahedral hole of cubical closed packing of sphere of radius r is
(a) 0.732 r
(b) 0.414 r
(c) 0.225 r
(d) 0.155 r
Ques. The number of close neighbour in a body-centred cubic lattice of identical sphere is
(a) 8
(b) 6
(c) 4
(d) 2
Ques. In octahedral holes (voids)
(a) A simple triangular void surrounded by four spheres
(b) A bi-triangular void surrounded by four spheres
(c) A bi-triangular void surrounded by eight spheres
(d) A bi-triangular void surrounded by six spheres
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Ques. If the pressure on a  structure is increased, then its coordination number will
(a) Increase
(b) Decrease
(c) Remain the same
(d) may increase or decrease
Ques. The structure of MgO is similar to NaCl. What would be the coordination number of magnesium
(a) 6
(b) 4
(c) 8
(d) 2
Ques. A crystalline solid
(a) Has no definite melting point
(b) Undergoes deformation of its geometry easily
(c) Has an irregular 3-dimensional arrangements
(d) Changes abruptly from solid to liquid when heated
Ques. The number of atoms present in unit cell of a monoatomic substance of simple cubic lattice is
(a) 1
(b) 2
(c) 3
(d) 6
Related: Coordinate Geometry important questions
Ques. To get a n- type semiconductor, the impurity to be added to silicon should have which of the following number of valence electrons
(a) 1
(b) 2
(c) 3
(d) 5
Ques. Ionic solids, with Schottky defects, contain in their structure
(a) Equal number of cation and anion vacancies
(b) Anion vacancies and interstitial anions
(c) Cation vacancies only
(d) Cation vacancies and interstitial cations
