Match the Column - I with the Column - II.{:(,"Column - I",,"Column - II"),((A),"Equal number of cations and anions are missing",(p),"spinel structure"),((B),"Metal excess non-stoichiometry in NaCl",(q),"density of crystal decreases."),((C ),"Occupancy of tetrahedral and octahedral voids",(r ),"Schottky defect"),((D),"Anion vacancy with trapped electron",(s),"F-centre"),(,,(t),"Frenkel defect"):}

Match the Column - I with the Column - II.{:(,"Column - I",,"Column -

1.	Match the Column - I with the Column - II.{:(,"Column - I",,"Column - II"),((A),"Equal number of cations and anions are missing",(p),"spinel structure"),((B),"Metal excess non-stoichiometry in NaCl",(q),"density of crystal decreases."),((C ),"Occupancy of tetrahedral and octahedral voids",(r ),"Schottky defect"),((D),"Anion vacancy with trapped electron",(s),"F-centre"),(,,(t),"Frenkel defect"):}
Answer» SOLUTION :(A) `to` (Q,r),(B) `to` (s),(C ) `to` (p), (D) `to` (s)