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A crystal of lead (II) sulphide has N...

A crystal of lead (II) sulphide has NaCl strcuture . In this crystal the shorest distance between a `Pb^(2+)` ion and `S^(2-)` ion is 297 pm . What is the volume the of unit cell in lead sulphide ?

A

`209.6xx10^(-24)cm^3`

B

`207.8xx10^(-23)cm^3`

C

`22.3xx10^(-23)cm^3`

D

`209.8xx10^(23)cm^3`

Text Solution

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The correct Answer is:
A
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