Assertion(A) : Total number of octahedral voids present in unit cell of cubic close packing including the one that is present at the body centre, is four. Reason ( R) : Besides the body centre there is one octahedral void present at the centre of each of the six faces of the unit cell and each of which is shared between two adjacent unit cells.

Assertion(A) : Total number of octahedral voids present in unit cell o

1.	Assertion(A) : Total number of octahedral voids present in unit cell of cubic close packing including the one that is present at the body centre, is four. Reason ( R) : Besides the body centre there is one octahedral void present at the centre of each of the six faces of the unit cell and each of which is shared between two adjacent unit cells.
Answer» (A) and ( R) both are CORRECT statements and ( R) is correct EXPLANATION for (A). (A) and ( R) both are correct statements but ( R) is not correct explanation for (A). (A) is correct STATEMENT but ( R) is wrong statement. (A) is wrong statement but ( R) is correct statement. Answer :C