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Assertion (A) : In Rock salt type struct...

Assertion (A) : In Rock salt type structuires, all the coctahedral voids in the close packing of anions are occupied by cations.
Reason(R): In Rock salt structure, the distance of closest apprach between two anions is equal to hal the face diagonal of unit cell.

A

If both (A) and ( R) are correct and ( R) is the correct explanation of(A).

B

If both (A) and ( R) are correct, but ( R) is not the correct explanation of (A).

C

If (A) is correct, but ( R) is incorrect.

D

If both (A) and ( R) are incorrect.

Text Solution

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The correct Answer is:
B
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