Test: Solid State - 3 - Chemistry MCQ

Molybdenum crystallizes in a bcc-structure with unit cell dimensions of 0.314 nm. Considering the atomic mass of molybdenum to be 96, its density (in kg m^–3) is in the range of:

For a simple cubic crystal lattice, the angle between the [201] plane and the xy plane is:

For a simple cubic lattice, the ratio between the unit cell length and the separation of two adjacent parallel crystal planes can NOT have a value of:

The unit cell of diamond can be obtained from the unit cell of:

The rank of a cubic unit cell is 4. The type of cell is:

The defect that results when electrons are trapped in an ionic crystal lattice in place of an anion valancy is known as:

Iron (II) oxide, FeO, crystal has a cubic structure and each edge of the unit cell is 5.0 Å. Taking density of the oxide as 4.0 g cm^–3. Calculate the no. of Fe²⁺ and O^2– ions present in each unit cell.

Calculate the miller indices of crystal planes which cut through the crystal axis at (2a, –3b, –3c):

Calcium fluoride crystallizes in fluorite structure. The co-ordination no. for the cation and anion is respectively:

The atomic radius (in cm) of an element with a body centred cubit unit cell of molecular weight 137.3 and density 3.62 g cm^–3 is:

Which one of the following plane will show allowed reflection for any FCC:

There are two crystal lattice A and B

A: Diffracts from (200) and (111) plane but not from (110)
B: Diffracts from (110) and (100) plane but not from (111)

A metal crystallizes with a face-centered cubic lattice. The edge of the unit cell is 408 pm. The diameter of the metal atom is

The percentage of void in BCC lattice is:

The second order brags diffraction from the (100) planes of a cubic crystal is equivalent to:

Which of the following crystals have 8:8 coordination:

Which of the following crystals have 6:6 coordination:

Which of the following crystals have 4:4 coordination:

Which of the following statement(s) is (are) correct:

The correct statement(s) regarding defects in solids is (are):

If the unit cell of a mineral has cubic close packed (ccp) array of oxygen atoms with m fraction of octahedral holes occupied by aluminium ions and n fraction of tetrahedral holes occupied by magnesium ions, m and n, respectively are:

The correct statement(s) for cubic close packed (ccp) three dimensional structure is (are):

Which of the following statements is/are correct:

Select write statement(s)

Numerical Answer type (Q. No. 28-30)

Silver (atomic weight = 108 g mol^–1) has a density of 10.5 g cm^–3. The no. of silver atoms on a surface of area 10^–12 m² can be expressed in scientific rotation as Y × 10^x. The value of x is…..:

The no. of particle present in octahedral void in ZnS (Blend) structure is:

The empty space in hcp unit cell is?