When NaCl crystal is doped with `MgCl_(2)`,the nature of defect produced is

When NaCl is doped with MgCl_(2) the nature of defect produced is

NaCl crystal is doped with 10^(-3)mol% of SrCl_(2) . The concentration of cation vacancies in doped NaCl is-

When Ge crystals are doped with phosphorus atom, then it becomes

When Ge crystals are doped with phosphorus atom, then it becomes

When Ge crystals are doped with phosphorous atom, then it becomes —

I mol of NaCl is doped with 10^(-5) mole of SrCl_(2) .The number of cationic vacancies in the crystal lattice will be

What is an impurity defect? What kind of impurity defect is generated in a NaCl crystal when it is doped with a small amount of SrCl_(2) ? Calculate the number of cation vacancy per Sr^(2+) ions is this crystal?