InterviewSolution
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InterviewSolution
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Select right expression for determinig packing fraction (P.F.) of NaCl unit cell (assume ideal ) , if ions along an edge diagonal are absent :A. `P.F.=((4)/(3)pi(r_(+)^(3)+r_(-)^(3)))/(16sqrt2 r_(-)^(3))`B. `P.F.=((5)/(2)pi(r_(+)^(3)+4r_(-)^(3)))/(16sqrt2 r_(-)^(3))`C. `P.F.=((4)/(3)pi((5)/(2)r_(+)^(3)+r_(-)^(3)))/(16sqrt2 r_(-)^(3))`D. `P.F.=((4)/(3)pi((7)/(2)r_(+)^(3)+r_(-)^(3)))/(16sqrt2 r_(-)^(3))` |
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Answer» Correct Answer - B |
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