InterviewSolution
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InterviewSolution
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The edge length of a face centred cubic cell ofan ionic substance is 508 pm. If the radius ofthe cation is 110 pm, the radius of the anion is:17. |
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Answer» For an fcc solid, edge length ,a=2(r++r−)a=2(r++r−) ⇒2(110+r−)=508 ⇒220+2r−=508 ⇒2r−=508−220 ⇒2r−=288 ∴r−=144pm |
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