A crystal of Lead (II) suphide has NaCl structure. In this crystal the shortest distance between thePb^(2+) ion ands^(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.

A crystal of Lead (II) suphide has NaCl structure. In this crystal the

1.	A crystal of Lead (II) suphide has NaCl structure. In this crystal the shortest distance between thePb^(2+) ion ands^(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» Solution :EDGE 'a' of unit cell = 2 ` xx` DISTANCE between` Pb^(2+) and S^(2-)` IONS .