Coordination Number
Trending Questions
Q.
Potassium crystallizes in a bcc lattice, hence the coordination number of potassium in potassium metal is
[KCEE 1993]6
8
0
4
Q.
Body centered cubic lattice has a coordination number of
[AIIMS 1996; MP PMT 2002]
8
12
6
4
Q.
Coordination number for Cu is
[AMU 1982]
1
6
8
12
Q. The coordination number of a metal crystallizing in a hexagonal close packed structure is
[NCERT 1978; IIT 1999]
4
12
6
8
Q. For some crystals, the radius ratio for cation and anion is 0.525, its coordination number will be
4
2
6
8
Q.
The coordination number of a metal crystallising in a simple cubic structure is
12
4
8
6
Q.
If the radius of Mg2+ ion, Cs+ ion, O2- ion, S2- ion and Cl- ion are 0.65 Å , 1.69 Å, 1.40 Å, 1.84 Å, and 1.81 Å respectively. Then the co-ordination numbers of the cations in the crystals of MgS, MgO and CsCl respectively are:
4, 6, 8
1, 2, 4
2, 1, 4
6, 4, 8
Q. A metal can crystallize in both FCC structure and simple cubic structure. What is the ratio of coordination number in FCC and simple cubic respectively?
Q. The coordination number of a metal crystallizing in a hexagonal close-packed structure is
- 4
- 12
- 6
- 8
Q.
In H.C.P. arrangement in three dimensions, the overall coordination number of each sphere is
4
6
9
12
