A crystal of lead (II) sulphide has NaCl structure. In this crystal th – InterviewSolution

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1.	A crystal of lead (II) sulphide has NaCl structure. In this crystal the shortest distance between Pb^(+2) ion and S^(2–) ion is 297 pm. What is the length of the edge of the unit cell in lead sulphide ? Also calculate the unit cell volume.
Answer» ANSWER :a=`5.94xx10^(-8)`CM,V=`2.096xx10^(022)cm^(-3)`

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