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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

`209.6 xx 10^(-24) cm `

B

`207.8 xx 10^(-23) cm `

C

`22.3 xx 10^(-23) cm`

D

`209.8 xx 10 ^(-23) cm `

Text Solution

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The correct Answer is:
A
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