WorksheetsQuiz on Solution, Solid State
Total questions: 20
Worksheet time: 20mins
In the Rock-salt AB, if C is introduced in tetrahedral voids such that no distortion occurs, then formula of resultant compound is,
(1) ABC
(2) AB2C
(3) ABC2
(4) A2BC
For a solid with the following structure, the co-ordination number of the point B,
(1) 3
(2) 4
(3) 5
(4) 6
An ionic compound of X and Y has NaCl type structure. If radius of Y(–) is 200 pm then the ideal radius of X(+) idealy will be,
(1) 30 pm
(2) 50 pm
(3) 45 pm
(4) 82.8 pm
Find the incorrect statement regarding Frenkel defect :
(1) Density of the crystal significantly decreases due to Frenkel defect
(2) Frenkel defects are observed where cations and anions are of comparable size
(3) Compounds having low coordination number generally show this type of defect number
(4) Both (1) and (2)
Which of the following substance has zero net magnetic moment?
(1) Ferromagnetic
(2) Antiferromagnetic
(3) Ferrimagnetic
(4) All of these
In fcc packing if all atoms through one of the body diagonal plane are missing, the total number of atoms in the unit cell is,
(1) 0.5
(2) 1.5
(3) 2.5
(4) 3.5
NH4 + and Br– ion have ionic radii of 140 pm and 196 pm respectively. The co-ordination number of NH4 + in NH4Br is,
(1) 2
(2) 4
(3) 8
(4) 6
Which of the following exhibits overlapping bands ?
(1) Alkali metals
(2) Germanium
(3) Diamond
(4) Zinc oxide
In a cubic lattice ‘A’ atoms occupy the corners, ‘B’ atoms occupy all the face centers except one, and ‘C’ atoms occupy the alternate edge centers. The formula of the unit cell is
(1) AB3C3
(2) AB5C3
(3) A2B5C2
(4) A2B5C3
A metal oxide has formula M0.9O. The percentage of M+3 ion is (assuming M exists in +2 and +3 oxidation states)
(1) 22.22%
(2) 10.10%
(3) 35.35%
(4) 12.12%
The minimum distance between an octahedral and tetrahedral voids in ccp is,
(1)
2
3
4
When ZnO lattice is heated, the formula of lattice becomes (x > 0) :
1
2
3
4
1
2
3
4
1
2
3
4
When mercuric iodide is added to the aqueous solution of KI, then the :
(1) Freezing point is raised
(2) Freezing point is lowered
(3) Freezing point does not change
(4) Boiling point does not change
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
(1) [Co(NH3) 5Cl]Cl2
(2) [Co(NH3 ) 6 ]Cl3
3) [Co(NH3 )4Cl2 ]Cl
(4) All of these
