Chemistry-
General
Easy
Question
If NaCl is doped with 10-3mol % SrCl2 then the concentration of cation vacancies will be :
The correct answer is:
Related Questions to study
chemistry-
X- rays of wavelength equal to 0.134 nm give a first order diffraction from the surface of a crystal when the value of is 10.5° The distance between the planes in the crystal parallel to the surface is (sin 10.5° = 0.1822)
X- rays of wavelength equal to 0.134 nm give a first order diffraction from the surface of a crystal when the value of is 10.5° The distance between the planes in the crystal parallel to the surface is (sin 10.5° = 0.1822)
chemistry-General
chemistry-
The wavelength of X-rays which gives a diffraction angle, , equal to 16.80° for a first order diffraction for a crystal with interplanar distance 0.200 nm, is ( given sin 8.4° = 0.146)
The wavelength of X-rays which gives a diffraction angle, , equal to 16.80° for a first order diffraction for a crystal with interplanar distance 0.200 nm, is ( given sin 8.4° = 0.146)
chemistry-General
chemistry-
The second order Bragg diffraction of X- rays with 
from a set of parallel planes in a metal occurs at an angle of 60°. The distance between the scattering planes in the crystal is
The second order Bragg diffraction of X- rays with from a set of parallel planes in a metal occurs at an angle of 60°. The distance between the scattering planes in the crystal is
chemistry-General
chemistry-
The ionic radii of Rb+ and I- are 1.46 and 
respectively. The most probable type of structure exhibited by it is
The ionic radii of Rb+ and I- are 1.46 and respectively. The most probable type of structure exhibited by it is
chemistry-General
chemistry-
A solid AB has NaCl type structure. If the radius of the cation A is 100 pm, then the radius of the anion B will be
A solid AB has NaCl type structure. If the radius of the cation A is 100 pm, then the radius of the anion B will be
chemistry-General
chemistry-
A binary solid 
has a zinc blende structure with B- ions constituting the lattice and A+ ions occupying 25% tetrahedral holes. The formula of solid is
A binary solid has a zinc blende structure with B- ions constituting the lattice and A+ ions occupying 25% tetrahedral holes. The formula of solid is
chemistry-General
chemistry-
A substance Ax By crystallizes in a face centred cubic (FCC) lattice in which atoms ‘A’ occupy each corner of the cube and atoms ‘B’ occupy the centres of each face of the cube. Identify the correct composition of the substance AxBy
A substance Ax By crystallizes in a face centred cubic (FCC) lattice in which atoms ‘A’ occupy each corner of the cube and atoms ‘B’ occupy the centres of each face of the cube. Identify the correct composition of the substance AxBy
chemistry-General
chemistry-
In a solid AB having the NaCl structure, ‘A’ atoms occupy the corners of the cubic unit cell. If all the face-centred atoms along one of the axes are removed, then the resultant stoichiometry of the solid is
In a solid AB having the NaCl structure, ‘A’ atoms occupy the corners of the cubic unit cell. If all the face-centred atoms along one of the axes are removed, then the resultant stoichiometry of the solid is
chemistry-General
chemistry-
The internal energy of one mole of a monoatomic gas is
The internal energy of one mole of a monoatomic gas is
chemistry-General
chemistry-
Water and chlorobenzene are immiscible liquids. Their mixture boils at 90ºC under a reduced pressure of 
The vapour pressure of pure water at 90ºC is 7.03 
104 Pa and molecular weight of chlorobenzene is 112.5. On what percent basis, chlorobenzene in the distillate is equal to:
Water and chlorobenzene are immiscible liquids. Their mixture boils at 90ºC under a reduced pressure of The vapour pressure of pure water at 90ºC is 7.03 104 Pa and molecular weight of chlorobenzene is 112.5. On what percent basis, chlorobenzene in the distillate is equal to:
chemistry-General
chemistry-
The phase diagram for the pure solvent (solid lines, and the solution (non-stable solute) (dashed lines) are recorded below:
The quantity indicated by L in the figure is
The phase diagram for the pure solvent (solid lines, and the solution (non-stable solute) (dashed lines) are recorded below:
The quantity indicated by L in the figure is
chemistry-General
chemistry-
Which of the following plots correctly represents the behaviour of an ideal binary liquid solution?
Which of the following plots correctly represents the behaviour of an ideal binary liquid solution?
chemistry-General
chemistry-
The degree of dissociation 
of a weak electrolyte 
is related to van’t Hoff factor (i) by the expression
The degree of dissociation of a weak electrolyte is related to van’t Hoff factor (i) by the expression
chemistry-General
chemistry-
For a dilute solution containing a nonvolatile solute, which of the following expressions correctly represents the molar mass of solute?
For a dilute solution containing a nonvolatile solute, which of the following expressions correctly represents the molar mass of solute?
chemistry-General
chemistry-
The expression relating mole fraction of solute (x2) and molarity (M) of the solution is Where 
is the density of solution and M1 and M2 are the molar masses of solvent and solute respectively.
The expression relating mole fraction of solute (x2) and molarity (M) of the solution is Where is the density of solution and M1 and M2 are the molar masses of solvent and solute respectively.
chemistry-General
