1
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In a face centred cubic lattice, atom A occupies the corner positions and atom B occupies the face centre positions. If one atom of B is missing from one of the face centred points, the formula of the compound is :
A
AB2
B
A2B3
C
A2B5
D
A2B
2
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The edge length of a face centered cubic cell of an ionic substance is 508 pm. If the radius of the cation is 110 pm, the radius of the anion is :
A
288 pm
B
398 pm
C
618 pm
D
144 pm
3
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Percentages of free space in cubic close packed structure and in body centred packed structure are respectively :
A
30% and 26%
B
26% and 32%
C
32% and 48%
D
48% and 26%
4
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Copper crystallizes in fcc with a unit cell length of 361 pm. What is the radius of copper atom?
A
108 pm
B
127 pm
C
157 pm
D
181 pm
Questions Asked from MCQ (Single Correct Answer)
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