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Each question contains STATEMENT-1 (Assertion) and STATEMENT-2 (Reason).
Examine the statements carefully and mark the correct answer according to the instructions given below:
(A) If both the statements are TRUE and STATEMENT-2 is the correct explanation of STATEMENT-1
(B) If both the statements are TRUE but STATEMENT-2 is NOT the correct explanation of STATEMENT-1
(C) If STATEMENT-1 is TRUE and STATEMENT-2 is FALSE
(D) If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE
STATEMENT-1 : In \( \mathrm{NaCl} \) structure, \( \mathrm{Na}^{+} \)ions occupy octahedral holes and \( \mathrm{Cl}^{-} \)ions occupy ccp.

STATEMENT-2 : The distance of the nearest neighbours in \( \mathrm{NaCl} \) structure is \( a / 2 \) where \( a \) is the edge length of the cube.
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