Solid State Chemistry MCQ Offline Test For NEET & JEE Main

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1.The number of octahedral void(s) per atom present in a cubic close-packed structure is [CBSE AIPMT 2012]
A. 2
B. 4
C. 1
D. 3

2.A metal crystallizes with a face-centered cubic lattice. The edge of the unit cell is 408 pm. The diameter of the metal atom is [CBSE AIPMT 2012]
A.144 pm
B.204 pm
C.288 pm
D.408 pm

3.AB crystallizes in a body centred cubic lattice with edge length ‘a’ equal to 387 pm. The distance between two oppositively charged ions in the lattice is [CBSE AIPMT 2010]
A. 300 pm
B. 335 pm
C. 250 pm
D. 200 pm

4.If ‘a’ stands for the edge length of the cubic systems: simple cubic, body centred cubic and face centred cubic, then the ratio of the radii of the spheres in these systems will be respectively: [CBSE AIPMT 2008]

A.(1/2):(√3/4):(1/2√2)
B.
C.
D.

5.Percentage of free space in a body centred cubic unit cell is [CBSE AIPMT 2008]
A.32%
B.34%
C.28 %
D.20%

6.The fraction of total volume occupied by the atoms present in a simple cube is [CBSE AIPMT 2007]
A.π/3√2
B.π/4√2
C.π/4
D.π/6

7.If NaCl is doped with 10–4 mol % of Sr Cl2, the concentration of cation vacancies will be (NA = 6.02 × 1023 mol–1) [CBSE AIPMT 2007]
A.6.022× 10^17 mol^-1
B.
C.
D.

8. The appearance of colour in solid alkali metal halides is generally due to [CBSE AIPMT  2006]
A. Schottky defect
B. Frenkel defect
C. Interstitial position
D. F Centre (anion vaxancies)

9. In a face-centered cubic lattice, a unit cell is shared equally by how many unit cells? [CBSE AIPMT 2005]
A.2
B.4
C.6
D.8

10.A compound formed by elements X and Y crystallizes in a cubic structure in which atoms X are at the corners of the cube and atoms Y are at the face-centers. The formula of the compound is [CBSE AIPMT 2004]
A.XY3
B.X3Y
C.XY2
D.XY

11.In a compound, atoms of element Y form ccp lattice and those of element X occupy 2/3 rd of tetrahedral voids. The formula of the compound will be [AIEEE 2008]
A.X3Y4
B.X4Y3
C.X2Y3
D.X2Y

12.Total volume of atoms present in face-centred cubic unit cell of metal is (r is atomic radius) [AIEEE 2006]
A. (16/3)πr^3
B. (24/3)πr^3
C. (12/3)πr^3
D. (20/3)πr^3

13.An ionic compound has a unit cell consisting of A ions at the corners of a cube and B ions on the centres of faces of the cube. The empirical formula of the compound would be [AIEEE 2005]
A. AB
B. A2B
C. AB3
D. A3B

14.How many unit cells are present in a cube-shaped ideal crystal of NaCl of mass 1.0 g? [AIEEE 2003]
A. 5.14 × 10^21 unit cells
B. 1.28 × 10^21 unit cells
C. 5.14 × 10^20 unit cells
D. 2.57 × 10^21 unit cells

15.Which of the following is a molecular crystal? [KARNATAKA CET 2010]
A. Dry ice
B. Quartz
C. Rock salt
D. Diamond

16.The edge length of a face centred cubic cell of an ionic substance is 508 pm. If the radius of the cation is 110 pm, the radius of the anion is [AIEEE 2010]
A. 288 pm
B.144 pm
C. 6118 pm
D. 398 pm

17.Sodium chloride, NaCl usually crystallizes in a face centred cubic lattice. How many ions are in contact with any single Na+ ion? [DELHI PMT 2010]
A.8
B.6
C.4
D.1

18.Percentage of free space in cubic close packed structure and in body centred packed structure are respectively [AIEEE 2010]
A. 30 and 26%
B. 26 and 32 %
C. 32 and 48 %
D. 26 and 32 %

19.AB crystallizes in a body centred cubic lattice with edge length ‘a’ equal to 387 pm. The distance between two oppositively charged ions in the lattice is [CBSE AIPMT 2010]
A. 200 pm
B. 300 pm
C. 335 pm
D.250 pm

20.A compound contains two types of atoms X and Y. It crystallizes in a cubic lattice with atoms X at the corners of the unit cell and atoms Y at the body centre. The simplest possible formula of this compound is: [DELHI PMT 2009]
A. X8Y
B.X2Y
C.XY
D.XY8

21.A compound of ‘A’ and ‘B’ crystallizes in a cubic lattice in which the ‘A’ atoms occupy the lattice points at the corners of the cube. The ‘B’ atoms occupy the centre of each face of the cube. The probable empirical formula of the compound is [KARNATAKA CET 2009]
A. AB3
B. AB
C. A3B
D. AB2

22. Lithium metal crystallises in a body centred cubic crystal. If the length of the side of the unit cell of lithium is 351 pm, the atomic radius of the lithium will be: [CBSE AIPMT 2009]
A. 300.5 pm
B.   75.5 pm
C. 151.8 pm
D. 240.8 pm

23. Copper crystallises in a face-centred cubic lattice with a unit cell length of 361 pm. What is the radius of copper atom in pm? [CBSE AIPMT 2009] & [AIEEE 2009]
A. 108 pm
B. 181 pm
C. 157 pm
D. 128 pm

24. A compound is formed by elements A and B. This crystallizes in the cubic structure where A atoms are at the corners of the cube and B atoms are at the body centres. The simplest formula of the compound is [KARNATAKA CET 2008]
A. AB
B. AB6
C. A6B
D. A8B4

25.An ionic compound is expected to have tetrahedral structure if r+/r- lies in the range of [KARNATAKA CET 2008]
A. 0.414 to 0.732
B. 0.732 to 1
C. 0.155 to 0.225
D. 0.225 to 0.414

26.In which of the following crystals alternate tetrahedral voids are occupied? [IIT-JEE 2005]
A. NaCl
B. ZnS
C. CaF2
D. Na2O

27. 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 of the metal is
(NA Avogadro’s constant = 6.02 × 1023 mol–1) [NEET 2013]
A. 40
B. 30
C. 27 g/mol
D. 20

28. The number of carbon atoms per unit cell of diamond unit cell is [NEET 2013]
A. 8 
B. 6
C. 4
D. 2

29.

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