This chapter is currently out of syllabus
1
JEE Main 2013 (Offline)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which of the following exists as covalent crystals in the solid state?
A
Silicon
B
Sulphur
C
Phosphorous
D
Iodine
2
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Lithium forms body centred cubic structure. The length of the side of its unit cell is 351 pm. Atomic radius of the lithium will be :
A
75 pm
B
300 pm
C
240 pm
D
152 pm
3
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
4
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
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