This chapter is currently out of syllabus
1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
An ionic compound has a unit cell consisting of A ions at the corners of a cube and B ions on the centres of the faces of the cube. The empirical formula for this compound would be :
A
AB
B
A2B
C
AB3
D
A3B
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
What type of crystal defect is indicated in the diagram below?

AIEEE 2004 Chemistry - Solid State Question 54 English
A
Interstitial defect
B
Schottky defect
C
Frenkel defect
D
Frenkel and Schottky defects
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
How many unit cells are present in a cubeshaped ideal crystal of NaCl of mass 1.00 g? [Atomic masses: Na = 23, Cl = 35.5]
A
5.14 $$\times$$ 1021 unit cells
B
1.28 $$\times$$ 1021 unit cells
C
1.71 $$\times$$ 1021 unit cells
D
2.57 $$\times$$ 1021 unit cells
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Na and Mg crystallize in BCC and FCC type crystals respectively, then the number of atoms of Na and Mg present in the unit cell of their respective crystal is :
A
4 and 2
B
9 and 14
C
14 and 9
D
2 and 4
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