Q. 65.0( 3 Votes )

What happens when

Answer :

When AgCl is doped with CdCl2, then 2 Ag+ ions are replaced by 1 Cd++ and a cationic vacancy is created. This defect is named as Impurity defect.


OR


(a) In stoichiometric defects, NaCl shows Schottky defect due to the almost similar size of sodium and chloride ions.


(b) In non- stoichiometric defects, NaCl shows Metal Excess defect due to anionic vacancies as NaCl crystal has F-centres formed in it.


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