×
Detail Form
We will send your result on your email id and phone no. please fill detail
1.
In which of the following crystals alternate tetrahedral voids are occupied?
2.
A compound of 'A' and 'B' crystallises in a cubic lattice in which '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
3.
In crystal structure of rock salt 
, the arrangement of 
ion is :
, the arrangement of ion is :
4.
Which one of the following is a covalent crystal?
5.
The coordination number of Al in the crystalline state of 
is
is
6.
In a face centred cubic arrangement off 
and 
atoms whose atoms are at the corner of the unit cell and atoms at the face centres. One of the atom is missing from one corner in unit cell. The simplest formula of compound is :
and atoms whose atoms are at the corner of the unit cell and atoms at the face centres. One of the atom is missing from one corner in unit cell. The simplest formula of compound is :
7.
The statement that All crystals of the same substance possess the same elements of symmetry is known as :
8.
A solid 
has 
type structure with edge length 580.4 pm. The radius of 
is 100 pm. What is the radius of 
?
has type structure with edge length 580.4 pm. The radius of is 100 pm. What is the radius of ?
9.
Which one is diamagnetic?
10.
The ionic radii of 
and 
are 
and 
The most probable type of structure exhibited by it is
and are and The most probable type of structure exhibited by it is