1.

Match the types of defect given in Column I with the statement given in Column II. {:( " Column I "," Column II"),( " (i) Impurity defect " , "(a) NaCl with anionic sites called F-centres " ),( " (ii) Metal excess defect" , "(b) FeO with " Fe^(3+)),( "(iii) Metal deficiency defect " ,"(c) NaCl with" Sr^(2+) " and some cationic sites vacant"):}

Answer»


Answer :` (i) to d, (II) to C, (III) to b, (iv) to a `


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