Question

A solid XY crystallizes in NaCl type structure (X is cation). Some
atoms are removed such that crystal remain neutral. The possible
case is
(a) All atoms along a body. diagonal are removed

(b) All atoms along a face diagonal are removed

(c) Atoms along a line which passes through opposite face centres and body centre are removed

(d) Atoms from two corner are removed​

Answer 1

(c) Atoms along a line which passes through opposite face centres and body centre are removed ....

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